I.nounCOLLOCATIONS FROM OTHER ENTRIES
a central feature
▪ Cultural diversity is a central feature of modern British society.
a design feature (=something interesting or attractive that is part of the design)
▪ The aircraft has some novel design features.
a feature article (=one about a particular subject)
▪ I wrote a few feature articles on sporting events.
a feature film (=a full-length film shown in the cinema)
▪ Shane Meadows’ first feature film was 'TwentyFourSeven'.
a film stars/features sb
▪ The film starred Brad Pitt.
a key element/feature/component (=a very important part)
▪ Advertising is a key element in the success of a product.
a movie stars/features sb
▪ a movie starring Will Smith
an essential feature
▪ A free press is an essential feature of a democracy.
chiselled features/chin/mouth/nose etc
▪ his chiselled good looks
delicate features
▪ her delicate features
distinguishing feature/mark/characteristic
▪ The main distinguishing feature of this species is the leaf shape.
double feature
feature creep
feature film
fine features (=nose, eyes, cheeks etc)
▪ Her dark hair accentuates her fine features.
notable feature/example
▪ A notable feature of the church is its unusual bell tower.
original features (=parts that were there when the house was first built)
▪ The kitchen still has many original features.
redeeming quality/feature etc (=the one good thing about an unpleasant person or thing)
▪ The hotel had a single redeeming feature – it was cheap.
regular features (=an evenly shaped face)
▪ He’s very handsome, with strong regular features.
stylistic feature/device
▪ stylistic features of the story
water feature
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
attractive
▪ An additional attractive feature for savers was the fact that societies did not normally levy transactions charges on accounts.
▪ Yet market buildings, even when they are quite plain, are usually attractive features of a town.
▪ It is a very attractive feature and has only been known to dry up once in the summer of 1826.
▪ It is the autonomous nature of sole trading which is an attractive feature of this form of business enterprise.
▪ Provided the room is big enough, room divider doors are a practical solution and can be an attractive feature.
▪ She was sixteen-years-old but with her slim, petite figure and attractive features she could have passed for twenty.
▪ The generality and flexibility of such a procedure are a very attractive feature of the technology.
▪ Which features may tourists find attractive?
central
▪ Hospital care remained a central feature of provision but its role was changed.
▪ A central feature is the attempt to elicit the degree of identification of a community.
▪ One of the central features of the company is that it separates out the functions of ownership and management.
▪ Indeed, in large measures, that could be identified as a central feature of Mr Major's ministerial career.
▪ Other factors, such as access via doorways or accommodation of central features, also had to be taken into account.
▪ Some central features of narrative construction were studied, including the gradual embellishment of stories and their emotional content.
▪ The development of self-presentation, self-advocacy and of self-directed learning should all be central features of this phase of education.
▪ This is a central feature of the employers' view.
characteristic
▪ Component subskills in reading and spelling A characteristic feature of any skill is a hierarchical organisation of component subskills.
▪ These are the characteristic features of a Gender Identity Disorder of Childhood as seen in a male.
▪ Window design is also a characteristic feature of Gothic architecture.
▪ Though these problems are a characteristic feature of modern life, they have been with us for a very long time.
▪ The use of alternative names is a characteristic feature of Near Eastern writing.
▪ These small crystals are known as phenocrysts and are one of the most characteristic features of andesites.
▪ The characteristic feature of Brindley's canals was their winding routes, following contours as far as possible without involving major earthworks.
▪ Under the Bretton Woods arrangements government intervention at predetermined levels, or parities, was the characteristic feature of the system.
distinctive
▪ Yoshitaka introduced new elements to the art, until gradually the art lost some of its distinctive Okinawan features.
▪ The desk lamp with an emerald-green shade and small prints of Degas' dancers were the only distinctive features of the room.
▪ In distinctive feature analysis the features themselves thus become important components of the phonology.
▪ The consequent leverage is the most distinctive feature of our financial era.
▪ But the most distinctive feature is the fertilizer plant.
▪ This distinctive feature may have been retained to convince a money-conscious Council that they were rebuilds rather than new cars!
▪ Ideally, of course, each type of music should he noted down according to a method that reflects its distinctive features.
▪ Others have sought to generate criteria by which to assess the distinctive features of a political culture.
essential
▪ By analysing simple situations, with essential features in common, we can gain insight into the behaviour of these complicated beams.
▪ It is an essential feature of the whole process of inner development, as already intimated.
▪ At the heart of the difficulty of delineating clearly the essential features of the Constitution is its ever-changing nature.
▪ S summarizes the essential features of the time dependences incorporated into the study.
▪ Basically, though, the essential features of the political system were those established in the preceding century.
▪ He becomes one of the essential features of a good detective story-a victim whose death readers do not mourn.
▪ Their essential feature is that they misdirect the enemy's attack, so that it fails to damage any vital organs.
▪ First, the essential feature of the Prague School definition of structure is its totality.
important
▪ Rather, some of its important features relevant to our analysis of science will be illustrated by means of trivial examples.
▪ Almost everyone who has done this finds the same important feature.
▪ An important feature of McGregor's approach is that it shows how management assumptions are important in determining motivation and morale.
▪ This kind of superposition of states is a general-and important-feature of quantum mechanics, referred to as quantum linear superposition.
▪ But perhaps the most important feature which makes communication possible across different sign languages is the shared culture of deaf people.
▪ But another important feature of his theory is its reliance on a particular set of metaphors for understanding the natural world.
▪ Introduction CROSS-BORDER portfolio investment has become an increasingly important feature of global capital markets.
▪ An important feature of this research is that it is carried out in a politically charged atmosphere.
interesting
▪ A particularly interesting feature of the trestle piers was the method used for founding them on irregular river beds.
▪ Their conversation had one interesting phonetic feature.
▪ The least one expects to find is a well-appointed house with interesting decorative features.
▪ The work unearthed several interesting features.
▪ These included some engineering schemes such as bridges and tunnels, but the most interesting feature was undoubtedly the hierarchy of networks.
▪ An interesting feature of the rural economy is the way in which these sectoral employment changes are interlinked.
▪ An interesting feature of the transition process is vortex pairing, seen in Fig. 18.10.
▪ An interesting feature of the church is the array of gilded heads high up on the walls of the nave.
key
▪ This latter award reminds me of a key feature of being the best and that is teamwork.
▪ The key feature of many of the newly discovered caves is their relative inaccessibility.
▪ Chapter 35 outlined the key features of marketing research.
▪ Research Areas Learning constitutes one of the key features of a neural network.
▪ There are some registry subsystems that contain key features of expert systems.
▪ A key feature of his appeal was a strong indication that the Deutschmark and Ostmark could be changed at 1: 1.
▪ Indeed, one of the key features of the Nottinghamshire initiative was that it occurred in somewhat of a policy vacuum.
▪ The key feature of the methodology is the use of comparisons of related texts to reveal sociologically significant textual features.
main
▪ The system of management by a Trustee was the main feature of the bill.
▪ Look along the sections of the tables and match the main features of the case with the features of the remedies.
▪ Since this type of parser is well documented, I will simply outline its main features.
▪ The first main feature we had ever seen.
▪ Explain the main features of project finance.
▪ The main unknown feature is the nature of the investor base.
▪ The main maser features may have originated from the slowly rotating disk or from the outflow gas near the galactic nucleus.
major
▪ Most agronomists consider take-all to be the chief suspect, but on this site it wasn't a major feature.
▪ The cavalier dismissal of a major design feature of the building can not have been easy to accept.
▪ Privatization of public corporations has become a major feature of Conservative policy.
▪ The major features of each of the schemes are summarised in Figure 7.6.
▪ The major features only are described here: 1.
▪ Those beautiful mission buildings are still a major feature of Texas architectural history.
▪ Some of the major new features include TrueType, which can create type of varying sizes without any jagged edges.
▪ In Britain, rock art was a major feature, consisting frequently of cup-and-ring marks.
new
▪ Other new features in this version are automatic envelope printing, and an easier route to mail merge, called Smart Merge.
▪ Indeed, the new Navigator comes with many new features.
▪ A new feature provides system administration from all Co-operation domains, whether local or remote, to facilitate large installation.
▪ Although Netscape is a ahead of Microsoft in adding new features to the browser, Microsoft is pushing to catch up.
▪ Industry regulators proposed giving this information greater prominence and adding new features.
▪ When it finally is released, the new Windows will sport some cool new features.
▪ Some of the new features are really rather special.
▪ Netscape is betting that the impressive new features of Navigator Version 2 will preserve their position as a leading Internet software company.
notable
▪ Its most notable feature is the sturdy triangular gatehouse.
▪ In the harsh light, its most notable feature is a small metal grate over a drain in the very center.
▪ One notable feature of the gold standard was that it allowed automatic adjustment to take place via changes in expenditure and output.
▪ One of the most notable features of this mosaic is its. variable quality of draughtsmanship and execution.
▪ One of the notable features is that executive search consultants are a good deal younger than previously.
▪ The only other notable feature is the pronounced crest which gives the bird its name.
▪ There were two notable features of the museum community's response to this ongoing crisis, at least as manifested at the convention.
▪ A notable feature of the temple was the unobtrusiveness of its entrances.
original
▪ That also has been restored, with modern climatic control, lighting and rewiring, but with its original decorative features.
▪ Built in 1806 with lots of original features set in pleasant surroundings, guest lounge with open coal fire.
▪ All of these factors may be detrimental to original interior features.
▪ Inside, several original features remain, including the stained glass windows, oak and rosewood panelling, and parquet flooring.
▪ This is a massive departure for the Kings Of Simulation, and has many original features.
▪ Of the cathedral's original features, the splendid choir is the most striking.
▪ Today, it is a warm and friendly hotel where original features add character and style.
particular
▪ A dominant characteristic of the location-factor school is its focus on the particular features of areas in order to explain their relative fortunes.
▪ Especially in large urban areas, a particular linguistic feature of a regional dialect might well be influenced by social factors.
▪ No, there wasn't any particular feature to account for it, she decided irritably.
▪ The expansion of white-collar unionism was a particular feature of the most recent phase.
▪ Two particular features of the system of office-holding may have eroded royal control.
▪ If you have query about information mentioned in a particular feature ask the person who wrote.
▪ It may well be that the better education of orphan girls was a particular feature of the experiment.
▪ Again highlighting drawings, as in the Petersen field guides draws attention to particular features which should be present.
prominent
▪ The same is true where harmonic colour is to be a prominent feature of the music.
▪ This gap is one of the most prominent features on the political landscape at the dawn of 1996.
▪ Rhythmic pulse can be a very prominent and essential feature of the music.
▪ Renal magnesium wasting is a prominent feature.
▪ Transnational migration, by no means a novel phenomenon, is also a prominent feature of many communities.
▪ Moreover, a prominent feature in the gel retardation experiments is the presence of a smear between the two well-defined bands.
▪ Revision and recycling is a prominent feature of the course, pulling together all strands of students' learning to date.
▪ At around 40 pence per portion, they are a prominent feature on any chip shop menu.
regular
▪ The coffee morning is to be a regular feature and will be held at Harewood House every second Saturday in the month.
▪ This is the first time we've had a regular monthly feature in the magazine just for Silver electronics.
▪ These fine, regular features do not come from me.
▪ More attention has been paid to lesbians and gay men in regular feature slots.
▪ Storytime is a regular feature in the school timetable, and stories about the past can slot naturally into this framework.
significant
▪ Similarly on the syntactic level, individual features are likely to have a less significant effect than features in combination.
▪ The contrast may itself be a significant feature of the overall pattern.
▪ In itself this is not a particularly distinctive or particularly significant feature.
▪ A falling savings ratio and rapidly rising consumer expenditure were certainly significant features of the second half of the 1980s.
▪ It may well have significant features of more than one language.
▪ Two distinct mechanisms are responsible for their development into significant morphological features.
▪ Internally, the only significant architectural feature was the two-storey entrance hall, and this is to be retained.
special
▪ They have a special hook feature for hanging in the shower.
▪ And a hook to entice reporters to produce special features about the author would be helpful.
▪ A special feature is a cantilevered bay window which is designed to create more space and to give plenty of natural light.
▪ The special feature of chirp radar is that it does not have a fixed carrier frequency during each shriek.
▪ Salt ways present no special features that distinguish them from other roads and lanes on the map or on the ground.
▪ The diagram shows the special features of the Algae Buster.
▪ Future prospects. 17. Special features, if any.
▪ A special feature of the boat is the extensive galley which rivals most domestic kitchens.
striking
▪ And indeed, it is the potential complementarity of the views that is their most striking feature.
▪ Its only striking feature was a large, predatory mouth, like the front-end grille on a cheap flash motor.
▪ The multi-level hipped and gabled roof forms one of the project's most striking features.
▪ Its height is the striking feature and this is emphasised by the spire.
▪ The most striking feature about the Treaty of Rome, however, was the speed with which it had been reached.
▪ Often the only striking feature of such a representation is the very erratic behaviour of the observations in relation to time.
▪ The most striking feature of the Labour candidate list is the rise of the professional politicians.
▪ The most striking feature of the diagram is its complexity; and yet Figure 1.2 is vastly oversimplified.
strong
▪ She liked a man to have strong features.
▪ Here religion is the strongest feature of civilizations, at the heart of both their present and their past.
▪ As with most pre-retirement education, individual financial counselling is a strong feature of the retirement holiday weeks.
▪ I think Janir resembles her more, with his dark skin, curly hair and strong features.
▪ For what seemed an age, she studied his features, strong lean features which she had come to know so well.
▪ Eyes closed, his strong features were peaceful in repose.
unique
▪ An unique feature of our Parish life is perpetual exposition of the Blessed Sacrament.
▪ One useful, if imperfect, measure of luxury in a car is the number of unique features it has.
▪ The unique feature of ergonomics is its emphasis on the characteristics of human operators and their relevance to the design of work.
▪ Our voice-mail program has a unique feature that we recommend.
▪ A unique feature of the Video Guide is that it offers alternative lesson plans.
▪ Another unique feature of this story is the duplication of stepmothers.
▪ The unique features for elemental analysis are the direct monitoring of surface hydrogen and the extreme sensitivity to the outermost atomic layers.
▪ This ability was sharpened by these players' meetings, which were a unique feature of football at this time.
■ NOUN
design
▪ The book also looks at costings, materials, design features plus the legal and financial angles of building your own home.
▪ And this particular design feature led to a major problem that no one had really anticipated.
▪ To be sure, designers on one side may pirate good ideas, may imitate design features, from the other side.
▪ The cavalier dismissal of a major design feature of the building can not have been easy to accept.
▪ Are we looking for sincerity, value for money, and good design features?
▪ The facility incorporates many interesting design features.
▪ One design feature I did like was incorporating the heater in the filter compartment.
▪ To do this they work together with the other design features of a funboard.
film
▪ Shorts are the firmly established way in which the feature film-makers of the future are spotted and developed.
▪ We want to make the first feature film with a laugh track.
▪ Fiona Fullerton, then only fifteen and in her third feature film, played Alice.
▪ A high-profile Hollywood feature film now runs about $ 50 million to produce.
▪ Recollect the feature films of the living desert, the vanishing prairie, the rams butting heads and salmon swimming upstream?
▪ The early feature films took up society as the situation required.
▪ The first star of a Steven Spielberg feature film may not be a name you recognize.
■ VERB
distinguish
▪ Developing management Management development should be an obsession Most outstanding companies can be distinguished by one particular feature.
▪ This causes a complete north-south ambiguity of the map: there is no way to distinguish northern from southern features.
▪ Wealth during industrialisation was no longer adequate as a distinguishing feature of social class.
▪ You know, to put on my passport where it says any scars or distinguishing features.
▪ In other words, they take part in the endless circulation of images that is a distinguishing feature of postmodernism.
▪ It is a distinguished feature in an undistinguished landscape; a building or place of outstanding historic, aesthetic or cultural importance.
▪ It is important to distinguish such erosional features from true tectonic scarps since only the latter indicate recent or current fault activity.
PHRASES FROM OTHER ENTRIES
animated cartoon/film/feature etc
▪ All the energy and excitement in this live-action remake of the much-loved Disney animated film went into merchandizing and marketing.
▪ Application Discuss animated cartoons with your students.
▪ Beauty and the Beast was the first animated film ever nominated for a Best Picture Oscar.
▪ Give them the following information: Every time you see an animated cartoon you are seeing a series of pictures.
▪ The two animated films are the No. 1 and No. 2 top-selling movie videos of all time.
▪ There is a large selection of animated cartoons produced for children.
compose your face/features/thoughts
▪ He held out his hand to his junior master and composed his face into a solemn expression of trust.
▪ I compose my face into a smile.
▪ I tried to compose my features into a combination of nonchalance and justification.
▪ They had composed their faces, but their eyes sparkled and their mouths yearned to smile.
▪ When asked a question do not rush at your answer but give yourself a second or two to compose your thoughts.
mobile mouth/face/features
▪ He finds a woman in black lace, with piercing eyes and a mobile face.
▪ I finally found Martin Clunes, the most mobile mouth in show business, lurking behind a large moustache.
▪ They did not show emotions as plainly as more mobile faces did.
strong nose/chin/features
▪ Beneath the strong nose was a dark moustache, thin and slicked down, which gave him a Latin look.
▪ Eyes closed, his strong features were peaceful in repose.
▪ He had a large square head, strong features, the worried look of a rustic crossing streets in the capital.
▪ I think Janir resembles her more, with his dark skin, curly hair and strong features.
▪ It actually detracts from one of email's strongest features-simplicity.
▪ She gets my goat sometimes with her long, strong nose and her self-assertion.
▪ She liked a man to have strong features.
▪ Sunlight reflected from the snow outside flashed off his rimless pince-nez perched on the bridge of his strong nose.
EXAMPLES FROM OTHER ENTRIES
▪ Are there any special features about the way Ireland trains its teachers?
▪ Federalism remains a very important feature of American politics.
▪ He had a small face with delicate features.
▪ Her eyes are her best feature.
▪ Information on employment is a central feature of this training course.
▪ One of the features of auto-immune diseases is that they are often genetically similar.
▪ Patriotism was a prominent feature in Bush's election campaign.
▪ The hotel's most attractive feature is its magnificent view of Mount Hood.
EXAMPLES FROM CORPUS
▪ Despite their apparent diversity, most of these practices have certain features in common.
▪ In 1946 he sent her to Paris as a feature writer for his many publications.
▪ Learning about landscape design, you know - using natural features, hills or rivers or whatever - and improving on it.
▪ On the contrary, features and limbs are perceived in isolation without relation, as fragments rather than as part of a totality.
▪ Other features include reviews, gardening news and links to assorted gardening magazines.
▪ That would justify the presence of horses on the frieze, since cavalry competitions were a feature of funerals for heroes.
▪ We shall also look at certain features of the learning environment of the departments which are of particular interest.
▪ Window design is also a characteristic feature of Gothic architecture.
II.verbCOLLOCATIONS FROM CORPUS
■ ADVERB
prominently
▪ The Haringey Lesbian and Gay Unit was established weeks before the 1986 council elections, and it featured prominently in the campaign.
▪ But men do not feature prominently as family members acting in their familial role.
▪ The show was dominated by painting with issued-based and figurative work featuring prominently.
▪ The resort, best left unnamed, was featured prominently in a recent national travel magazine.
▪ This always included milk and green bananas, though the latter do not feature prominently on a wild orang's menu.
▪ Its name will feature prominently on the 1993-95 Lotus cars' back wing as well as the drivers' racing suits.
▪ Teachers featured prominently in the list, along with school cooks and caretakers.
▪ The content and format of the checklist will usually feature prominently in the proceedings.
strongly
▪ Indeed they should feature strongly in any retirement counselling programme.
▪ Buy-outs from receivership featured strongly during the year, while buy-ins from receivership fell.
▪ Posters and photographs featured strongly in the catalogue and the general mixture was much the same as that in the other sales.
▪ Pet hates and favourite amusements will feature strongly.
▪ Housing, public health and education featured strongly.
▪ The module will be undertaken on a group basis and self and peer assessment will feature strongly.
■ NOUN
artist
▪ March 2-April 1: Uncommercial Art by Commercial Artists, a group exhibit featuring seven major contemporary artists.
character
▪ It features the character, Gregory, and you in a talent show.
▪ Of 139 television series examined, only 18 featured a continuing Hispanic character, the study found.
▪ This is the Old South that featured everyone's favorite character, the fugitive from a chain gang.
concert
▪ The press, in particular, printed sensational reports of the happenings at cinemas and concerts featuring rock and roll films and music.
▪ Its summer concerts, featuring such stars as Harry Belafonte and Boz Scaggs, draw crowds.
▪ What the future entails is some very contemporary music slipped into concerts featuring lovable old favorites.
▪ The concert featured two new ear-opening works.
▪ The orchestra's fifth classic concert features the works of Rossini, Rorem and Brahms.
exhibition
▪ The day will include a fashion show and the exhibition will feature everything for the machine knitter.
▪ Performance will be followed by a tango exhibition featuring Mara Luna y El Brujo, with dancing in the courtyard afterwards.
▪ Harrogate 89 was the largest and most comprehensive exhibition ever, featuring more than 260 exhibitors from 14 countries.
▪ The Craftworks gallery in Belfast's Linenhall Street is currently staging an exhibition featuring products geared towards children.
menu
▪ Imaginative menu featuring an international range of dishes.
▪ Best of all, Happy Hour includes an almost unbelievable bar menu featuring specials for $ 1.95 and $ 4.95 per item.
▪ This national chain's menu features a variety of deli sandwiches and salads at very affordable prices.
▪ The menu featured home-baked bread and sole.
program
▪ Fitness programs feature water aerobics, self-defense techniques and strength training.
▪ That program features not only various process improvement techniques but also a fundamental change in the way Boeing is organized.
▪ But the programs featured a variety of themes and methods and were not consistent in advocating abstinence as the central message.
▪ The program also features a neat video clip of Norman introducing the game and wishing players good luck.
series
▪ The series also features a performance by an expanded string ensemble of Brahms' Sextet in B flat.
▪ Jance's series features a sheriff named Joanna Brady, who works in southeastern Arizona.
site
▪ The rest of the 230 acre site will continue to feature a wide variety of displays.
▪ The new site will have features like games to win coupons, an interactive cookbook and more than 400 recipes.
▪ The site features several large retailers, including Gottschalks Inc., a California based department store chain.
▪ They can track how often you visit their site and what features you like best.
▪ The memorial at the bomb site featured mournful bagpipes played Amazing Grace after Marine Capt.
PHRASES FROM OTHER ENTRIES
animated cartoon/film/feature etc
▪ All the energy and excitement in this live-action remake of the much-loved Disney animated film went into merchandizing and marketing.
▪ Application Discuss animated cartoons with your students.
▪ Beauty and the Beast was the first animated film ever nominated for a Best Picture Oscar.
▪ Give them the following information: Every time you see an animated cartoon you are seeing a series of pictures.
▪ The two animated films are the No. 1 and No. 2 top-selling movie videos of all time.
▪ There is a large selection of animated cartoons produced for children.
mobile mouth/face/features
▪ He finds a woman in black lace, with piercing eyes and a mobile face.
▪ I finally found Martin Clunes, the most mobile mouth in show business, lurking behind a large moustache.
▪ They did not show emotions as plainly as more mobile faces did.
strong nose/chin/features
▪ Beneath the strong nose was a dark moustache, thin and slicked down, which gave him a Latin look.
▪ Eyes closed, his strong features were peaceful in repose.
▪ He had a large square head, strong features, the worried look of a rustic crossing streets in the capital.
▪ I think Janir resembles her more, with his dark skin, curly hair and strong features.
▪ It actually detracts from one of email's strongest features-simplicity.
▪ She gets my goat sometimes with her long, strong nose and her self-assertion.
▪ She liked a man to have strong features.
▪ Sunlight reflected from the snow outside flashed off his rimless pince-nez perched on the bridge of his strong nose.
EXAMPLES FROM OTHER ENTRIES
▪ Opera San Jose will feature operas by Puccini and Verdi this spring.
▪ Sales have gone up for items featured on money-off coupons.
▪ The cordless telephone featured 900-megahertz circuitry.
▪ The original 'Star Trek' series, featuring William Shatner as Capt. Kirk and Leonard Nimoy as Mr. Spock, lasted three years.
▪ The play features two young actresses.
▪ Wilson's first solo album features her version of "Love Child."
EXAMPLES FROM CORPUS
▪ For a woman to be in Playboy is the same as a guy being featured in Success magazine.
▪ Imaginative menu featuring an international range of dishes.
▪ Other facilities include two swimming pools and nightly entertainment featuring steel bands, limbo dancing and calypso music.
▪ The afternoon will feature three stakes and a closely watched maiden race.
▪ The books feature various babies getting up to all sorts of tricks in different situations.
▪ The pub has been featured in an episode of Central Television's beer-loving detective Inspector Morse.
▪ To catch up, Smith designed drill bits featuring synthetic diamonds with curved surfaces, rather than more conventional flat versions.