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Longman Dictionary of Contemporary English
momentum
noun
COLLOCATIONS FROM OTHER ENTRIES
gain momentum (=keep increasing)
▪ In the 1850s and 1860s, the British colonisation of India gained momentum.
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
angular
▪ Similar effects operate for d orbitals, but not for s orbitals, which have no orbital angular momentum.
▪ How did the planets pick up the necessary angular momentum, and why do the planets have different chemical compositions?
▪ The resulting system could have a huge angular momentum with a very well-defined direction.
▪ Other factors also come into account such as the angular momentum of the two bodies.
▪ How is it, then, that the correspondence with the angular momentum of classical physics is to be made?
▪ The situation is similar with any other classically measurable property of a system, not just angular momentum.
forward
▪ The aggressor's own forward momentum even strengthens the force of the counter-blow against him.
▪ She left, and it took her partner a year to build the forward momentum she had disrupted by her sudden departure.
gained
▪ The Buddhist revival gained momentum in the 1870s after a series of public debates between Buddhist and Protestant preachers increased Buddhist self-confidence.
▪ A price was certainly to be paid later, when criticisms that grammar-school standards had been destroyed gained momentum and credibility.
▪ The vehicle gained momentum as the road dipped.
▪ As the binary policy gained momentum, it remained possible to have that impression.
gathered
▪ The deterioration in MacDonald rapidly gathered momentum.
▪ Shares in the food and drinks conglomerate surged by 8 percent in a week as speculation about a bid gathered momentum.
▪ As the J-Boat bandwagon gathered momentum, other designs took shape on Rod Johnstone's board.
▪ It probably even gathered momentum from Tom's absence.
▪ Taxis vanished as the rain gathered momentum, and he was obliged to take the Métro from Etoile to Concorde station.
▪ Throughout 1989 and 1990 the organization gathered momentum.
▪ Moisture ran from her brow as the fire flourished and crackled and the pressure inside her gathered fearful momentum.
▪ Moves towards a more active and coherent Community regional policy gradually gathered momentum throughout the 1960s.
gathering
▪ It was a process which had been gathering momentum for some time and has continued since.
▪ If it is accepted that general management is still gathering momentum, more may yet be to come.
▪ However public protests are also gathering momentum as people realize that shrimp farming seems to be a recipe for disaster.
▪ Once in the lead there was no stopping the home side as they reinforced their gathering momentum with five second-half tries.
political
▪ Missile defence has a political momentum that makes a supposedly awkward question such as whether it really works pale almost into irrelevance.
■ NOUN
state
▪ Suppose it is a momentum state.
▪ First let us recall our description of a momentum state.
▪ But position states are not orthogonal to momentum states.
▪ What does a momentum state look like as a 4,-curve?
▪ It is what allows us to compose momentum states out of position states, or position states out of momentum states.
▪ The momentum states will also be represented in this same Hilbert space.
■ VERB
acquire
▪ Once they began, they acquired momentum of their own, and the size of the purge made it credible.
▪ And if both went well, he might acquire a momentum of success.
▪ One is that, as David Mellor or several members of the royal family might attest, cumulative disclosures acquire momentum.
▪ Since Wilder announced his candidacy in September 1991, his campaign had failed to acquire any significant momentum.
add
▪ Such factors have conspired to add momentum to the drive for even greater central control by government.
▪ With added momentum, the mob turned its vengeance on the black populace.
▪ The 9 percent PacTel vote adds momentum to this campaign.
▪ The protest added to momentum created during a larger demonstration Monday in the central business district.
begin
▪ Forest began to lose momentum in the second half and found themselves forced to defend for longer periods.
▪ Once they began, they acquired momentum of their own, and the size of the purge made it credible.
▪ The project began to generate a momentum of demolition of its own.
▪ The back of my car began to gain momentum.
▪ In 1989/90 a further group moved to Leatherhead and another to Wandsworth as the church planting began to gain momentum.
▪ The crowds in the church, where protest meetings began to gain momentum last month, applauded the bishop.
build
▪ It was to take a year and a half to build up the momentum for the Hot Autumn.
▪ She left, and it took her partner a year to build the forward momentum she had disrupted by her sudden departure.
▪ The mailings outlined all sorts of promotions concocted to build momentum for this newest high-end getaway.
▪ The speaker had built sufficient momentum to survive his mistake.
▪ They thus built on the momentum they had gained in convention by moving about among the people.
▪ But that has allowed Forbes to build the momentum that Dole now seeks to regain.
▪ The important thing is to win every game we can and build some momentum.
▪ The pair, assigned to cover the Fox campaign, watched as it slowly built momentum.
continue
▪ The strikes continue to gather momentum.
develop
▪ Heseltine's campaign team, having been canvassing backbenchers for several weeks, had already developed a considerable momentum.
▪ Long before that, however, Emor had developed its own momentum.
▪ And so the assembly developed a momentum of its own.
gain
▪ The escaping gas gains a momentum in one direction and so the astronaut gains an equal momentum in the opposite direction.
▪ Clay Shaw of Florida, has failed to gain momentum, and time is running out.
▪ The Axiam judders and shakes like a very early classic bike then slowly gains momentum rather than actually accelerating.
▪ If he could emerge triumphant from those events, he believed he would gain the momentum to win the White House.
▪ The escaping gas gains a momentum in one direction and so the astronaut gains an equal momentum in the opposite direction.
▪ Biological and entomological studies gained momentum through the photographic record.
▪ If a punch is aimed at the face, the defender steps out to intercept it before it gains momentum.
▪ One piece of legislation that has gained momentum amid the concern about workers is a bipartisan bill sponsored by Sen.
gather
▪ I waited for it to gather momentum.
▪ The strikes continue to gather momentum.
▪ Nevertheless, the fortress of autocracy had been breached and liberal pressure for further reform could be expected to gather momentum.
▪ About the time this outcry was gathering momentum, a curve ball landed like a left hook.
▪ With the wind and waves astern Nada gathered momentum: no turning back now.
▪ Such is the delight that people take in seeking out follies at weekends that the Fellowship has quickly gathered momentum.
▪ The principle that nature worked by the simplest means was gathering momentum during the thirteenth century.
▪ The middle-school initiative, as it gathered momentum in the 1960s, was concerned with a great deal more than legalistic terminology.
give
▪ That has given momentum to the rumour that Merson and Graham clashed verbally over the player's weight on Monday.
▪ The first is whether the South Carolina result would give Bush the momentum to win in Michigan.
▪ I was impressed and it also gave me a lot of momentum for the album.
▪ A loss would give momentum to the idea of dumping him at the party convention in July.
keep
▪ It's vital to keep momentum and motivation going.
▪ How can you keep the momentum?
▪ It helps to relax you and provides a beat to keep the momentum going.
▪ Rice wanted to keep the momentum going that had produced such positive short-term results. 2.
▪ This continues to happen back and forth, always keeping the momentum total zero.
▪ That idea, once dismissed as nonsense, keeps gaining momentum.
▪ They have had to keep the momentum going, too.
▪ He needs to give the staff pep talks, keep momentum alive.
lose
▪ Forest began to lose momentum in the second half and found themselves forced to defend for longer periods.
▪ Meanwhile, under the pressure of new events, most of the other initiatives had lost momentum.
▪ Resistance comes from mobile electrons losing momentum in scattering and is usually inevitable except in superconductivity.
▪ They worry that the university may lose the momentum it has gained since opening for classes in the fall of 1990.
▪ She lost momentum thinking about it, and he fell asleep before he climaxed.
▪ The pace of new auto loans also lost momentum from a month earlier.
▪ The vote fell by 6.2 percent, and the party has lost all momentum.
▪ Gonzalez insisted that fears of lost momentum should not be a concern.
maintain
▪ To maintain the upward momentum, Parke must keep his ambitions high, yet keep his feet on the ground.
▪ He is committed to maintaining that momentum.
▪ Johnson maintained the momentum with baskets.
▪ To be blunt about it, the challenge confronting Mr Heseltine is how to maintain his momentum.
▪ He ignored complaints from alarmed consumer groups in order to maintain popular momentum for a measure he regards as essential.
▪ Mr Tung must maintain momentum towards democratic reforms, increasing the number of directly elected representatives in the territory's legislature.
▪ Arizona State maintained a shred of momentum early in the second half.
pick
▪ Rosler's arrival certainly saw the visitors pick up their attacking momentum.
provide
▪ This feature can be used to provide simulated inertia and momentum.
▪ Success, market valuation and cash flow provide a powerful momentum.
▪ In those circumstances, the displacement system provides its own self-fulfilling momentum.
▪ The weight of the fly wheel can provide so much momentum by being kicked judiciously that it can rotate continuously.
sustain
▪ Could she not sustain the momentum, not just on tradesmen's credit but on borrowed money?
▪ The Government are committed to sustaining the momentum of parliamentary reform.
▪ Its activities enabled the Heseltine campaign to seize the initiative and sustain a momentum which kept its opponents mostly on the defensive.
PHRASES FROM OTHER ENTRIES
gather speed/force/momentum etc
▪ I said as the train gathered speed.
▪ I waited for it to gather momentum.
▪ She lifted it over the fence and set off across the little meadow, gathering speed and thoroughly enjoying it.
▪ The big trimotor gathered speed and roared off down the harbor for more than a mile but never got close to liftoff.
▪ The strikes continue to gather momentum.
▪ Then the van rolls forward, gathers speed, and drifts on by.
▪ These Christians were slow to gather forces for a Reconquista.
▪ Voucher trouble Shopworkers' union Usdaw has threatened to boycott the government's voucher system for asylum seekers as protests gather momentum.
EXAMPLES FROM OTHER ENTRIES
▪ As the slope got steeper, the sled gathered momentum.
▪ Carey's momentum carried him past the base.
▪ The ball was moving along, slowly losing momentum on the bumpy ground.
▪ We are trying to measure the position and momentum of an electron as accurately as possible.
EXAMPLES FROM CORPUS
▪ Gonzalez insisted that fears of lost momentum should not be a concern.
▪ It closes very rapidly and has considerable momentum.
▪ Missile defence has a political momentum that makes a supposedly awkward question such as whether it really works pale almost into irrelevance.
▪ On the Look-Out derives extra momentum from this eccentric procedure.
▪ Players skate around the ice with realistic momentum, ie you have to slow down to turn round.
▪ Raymond is traveling full speed downhill on his own momentum.
▪ The attacker's own momentum pushes him forward on to the blow.
▪ While critics of his decision gained momentum Thursday, the record shows they face an uphill battle.
The Collaborative International Dictionary
Momentum

Momentum \Mo*men"tum\, n.; pl. L. Momenta, F. Momentums. [L. See Moment.]

  1. (Mech.) The quantity of motion in a moving body, being always proportioned to the quantity of matter multiplied by the velocity; impetus.

  2. Essential element, or constituent element.

    I shall state the several momenta of the distinction in separate propositions.
    --Sir W. Hamilton.

  3. A property of an activity or course of events, viewed as analogous to forward motion or to physical momentum (def. 1), such that the activity is believed to be able to continue moving forward without further application of force or effort; -- often used to describe an increase in the acquisition of public support for a purpose; as, as, the petition drive gained momentum when it was mentioned in the newspapers.

Douglas Harper's Etymology Dictionary
momentum

1690s, scientific use in mechanics, "quantity of motion of a moving body," from Latin momentum "movement, moving power" (see moment). Figurative use dates from 1782.

Wiktionary
momentum

n. 1 (context physics English) (of a body in motion) The tendency of a body to maintain its inertial motion; the product of its mass and velocity. 2 The impetus, either of a body in motion, or of an idea or course of events. (i.e: a moment)

WordNet
momentum
  1. n. an impelling force or strength; "the car's momentum carried it off the road" [syn: impulse]

  2. the product of a body's mass and its velocity; "the momentum of the particles was deduced from meteoritic velocities"

  3. [also: momenta (pl)]

Wikipedia
Momentum

In classical mechanics, linear momentum, translational momentum, or simply momentum ( pl. momenta; SI unit kg  m/s is the product of the mass and velocity of an object, quantified in kilogram-meters per second. It is dimensionally equivalent to impulse, the product of force and time, quantified in newton-seconds. Newton's second law of motion states that the change in linear momentum of a body is equal to the net impulse acting on it. For example, a heavy truck moving rapidly has a large momentum, and it takes a large or prolonged force to get the truck up to this speed, and would take a similarly large or prolonged force to bring it to a stop. If the truck were lighter, or moving more slowly, then it would have less momentum and therefore require less impulse to start or stop.

Like velocity, linear momentum is a vector quantity, possessing a direction as well as a magnitude:


p = mv, 

where is the three-dimensional vector stating the object's momentum in the three directions of three-dimensional space, is the three-dimensional velocity vector giving the object's rate of movement in each direction, and is the object's mass.

Linear momentum is also a conserved quantity, meaning that if a closed system is not affected by external forces, its total linear momentum cannot change.

In classical mechanics, conservation of linear momentum is implied by Newton's laws. It also holds in special relativity (with a modified formula) and, with appropriate definitions, a (generalized) linear momentum conservation law holds in electrodynamics, quantum mechanics, quantum field theory, and general relativity. It is ultimately an expression of one of the fundamental symmetries of space and time, that of translational symmetry.

Momentum (TobyMac album)

Momentum is the debut studio album from American recording artist TobyMac. It was released on November 6, 2001, through ForeFront Records.

The album was well received and was nominated for a Grammy. It contains a message of tolerance and diversity in society.

Musically it has an urban pop sound which HM commented contains shadows of early DC Talk material. In 2003, Re:Mix Momentum was released.

Momentum (2003 film)

Momentum is a July 26, 2003 television film that premiered on the U.S. Sci Fi Channel. The film was directed by James Seale.

Momentum (disambiguation)

Momentum and angular momentum are concept in physics.

Momentum may also refer to:

Momentum (Steve Hackett album)

Momentum is the ninth solo album by guitarist Steve Hackett. It is Hackett's second album consisting mainly of classical guitar pieces. Hackett's younger brother, John, plays the flute on the album. The album was re-released on Hackett's Camino Records label in 2001, with three bonus tracks.

Momentum (Dave Burrell album)

Momentum is a studio album released by jazz pianist Dave Burrell. It was recorded in November 2005 and released a year later on November 14, 2006 by the label High Two.

The first three tracks on the album were originally composed by Burrell to accompany the restored French silent film Body and Soul (1925) directed by Oscar Micheaux.

Momentum (Joshua Redman album)

Momentum is a 2005 album by jazz saxophonist Joshua Redman. All compositions are original works unless otherwise noted.

Momentum (Steve Lacy album)

Momentum is the first album by Steve Lacy to be released on the Arista Novus label. It was released in 1987 and features six of Lacy's compositions (although tracks 2 and 3 only appeared on the CD edition) with texts by Giulia Niccolai, Herman Melville, and Brion Gysin performed by Lacy, Bobby Few, Steve Potts, Jean-Jacques Avenel, Oliver Johnson and Irene Aebi.

Momentum (technical analysis)

Momentum and rate of change (ROC) are simple technical analysis indicators showing the difference between today's closing price and the close N days ago. Momentum is the absolute difference in stock, commodity:

momentum = close − close

Rate of change scales by the old close, so as to represent the increase as a fraction,

$\mathit{rate\,of\,change} = {\mathit{close}_\mathit{today} - \mathit{close}_{N\,\mathit{days\,ago}} \over \mathit{close}_{N\,\mathit{days\,ago}} }$

"Momentum" in general refers to prices continuing to trend. The momentum and ROC indicators show trend by remaining positive while an uptrend is sustained, or negative while a downtrend is sustained.

A crossing up through zero may be used as a signal to buy, or a crossing down through zero as a signal to sell. How high (or how low when negative) the indicators get shows how strong the trend is.

The way momentum shows an absolute change means it shows for instance a $3 rise over 20 days, whereas ROC might show that as 0.25 for a 25% rise over the same period. One can choose between looking at a move in dollar terms, relative point terms, or proportional terms. The zero crossings are the same in each, of course, but the highs or lows showing strength are on the respective different bases.

The conventional interpretation is to use momentum as a trend-following indicator. This means that when the indicator peaks and begins to descend, it can be considered a sell signal. The opposite conditions can be interpreted when the indicator bottoms out and begins to rise.

Momentum (IMAX film)

Momentum was the first film shot and released in the IMAX HD film format, which ran at 48 frames per second, and was also one of the first films to use Ambisonic surround sound. The film was produced for the Canada pavilion at Seville Expo '92 by National Film Board of Canada, by the same creative team that made the 1986 3D IMAX film Transitions for Expo 86. The film takes viewers across Canada, demonstrating the ability of the 48 frame/s process to portray motion on the giant IMAX screen with reduced strobing.

Momentum (electromagnetic simulator)

Momentum is 3-D planar EM simulation software for electronics and antenna analysis, a partial differential equation solver of Maxwell's equations based on the method of moments. It is a 3-D planar electromagnetic (EM) simulator used for passive circuit analysis.

It combines full-wave and quasi-static EM solvers to provide insight into EM behavior of MMIC, RFIC, RF Board, Signal Integrity, and antenna designs. The Momentum simulation engine is integrated into Keysight ADS and Keysight Genesys.

It was originally developed by a Belgian company, Alphabit, a spinoff from IMEC. Early contributors to the technology include Niels Faché, Jan Van Hese, Frank Libbrecht, Jeannick Sercu, Luc Vandormael, Mieke Herreman, Peter Kok, Tom Dhaene and Krist Blomme.

The company was acquired by Hewlett-Packard, later it became part of Agilent Technologies and since November 2014 it is part of Keysight Technologies EEsof division, the current owners.

Momentum (2001 film)

Momentum Under the Influence is a surf movie distributed by Steelhouse Distribution and produced by Poor Specimen. It features all the best surfers in the world under 23 that surf places like Mentawai Islands, Australia, South Africa, France, Timor Island, Indonesia, Mexico, Hawaii and California. Surfers include CJ Hobgood, Damien Hobgood, Paul Roach Dan Malloy, David Rastovich, Mick Fanning, Taj Burrow, Joel Parkinson, Ben Bourgois, Bruce Irons, Andy Irons, and Dean Morrison.

Momentum (Close to Home album)

Momentum is the fourth full-length studio album by post-hardcore band Close to Home, released on July 31, 2012, through Artery Recordings/ Razor & Tie. It is the band's first album with vocalist Andrew DeNeef, after the departure of Nick Stiens in November 2011.

The album was produced, engineered and mixed by Andrew Wade ( A Day to Remember, Motionless In White) at his Wade Studios in Ocala, Florida.

The song "Family Ties" features guest appearances by David Stephens and Kyle Pavone, both the vocalists of metalcore band We Came as Romans.

Momentum (Neal Morse album)

Momentum is the ninth progressive rock album by Neal Morse, released in September 2012. The album features Mike Portnoy on drums, and Randy George on bass. The title track "Momentum" was released in late July 2012, along with a music video. Guests include Eric Gillette on backing vocals, along with Paul Gilbert and Adson Sodré on electric guitar.

Momentum (Jamie Cullum album)

Momentum is the sixth studio album by Jamie Cullum. It was released on 20 May 2013 by Island Records and is produced by Dan the Automator and Jim Abbiss. The album includes covers of " Love for Sale" (which he earlier recorded for his independent album Heard It All Before) and Anthony Newley's " Pure Imagination". The song "You're Not the Only One" was written about Cullum's experience serving as a judge on the television reality series Must Be The Music.

Momentum (EP)

Momentum is the first EP by American rapper Stevie Stone. The EP was released on October 23, 2012, by Strange Music. The album features guest appearances from Kutt Calhoun and Spaide Ripper. The album debuted at number 196 on the Billboard 200 chart.

Momentum (finance)

In finance, momentum is the empirically observed tendency for rising asset prices to rise further, and falling prices to keep falling. For instance, it was shown that stocks with strong past performance continue to outperform stocks with poor past performance in the next period with an average excess return of about 1% per month.

The existence of momentum is a market anomaly, which finance theory struggles to explain. The difficulty is that an increase in asset prices, in and of itself, should not warrant further increase. Such increase, according to the efficient-market hypothesis, is warranted only by changes in demand and supply or new information (cf. fundamental analysis). Students of financial economics have largely attributed the appearance of momentum to cognitive biases, which belong in the realm of behavioral economics. The explanation is that investors are irrational, in that they underreact to new information by failing to incorporate news in their transaction prices. However, much as in the case of price bubbles, recent research has argued that momentum can be observed even with perfectly rational traders.

Momentum (Bill Evans album)

Momentum is a live album recorded in 1972 at Groningen, the Netherlands, by the American jazz pianist Bill Evans with a trio including Eddie Gómez on bass and Marty Morell on drums.

Momentum (2015 film)

Momentum is a 2015 South African–American action thriller film directed by Stephen Campanelli, and starring Olga Kurylenko, Morgan Freeman and James Purefoy.

Momentum (organisation)

Momentum is a British left-wing political organisation. It was founded in 2015 by Jon Lansman, four weeks after Jeremy Corbyn's successful campaign for the Labour Party leadership. It has been described as a grassroots movement supportive of Corbyn and the Labour Party.

In February 2016, Momentum agreed to set up a paid formal membership structure, which would require that those wanting to join must support the values and aims of the Labour Party. There are around 50 local groups across the UK. Momentum has about 12,000 members.

Usage examples of "momentum".

The autocar lurched to a halt, and Holmes used the momentum to leap from the seat to the roadway.

The axial corridor began to creak loudly as the bearings changed their magnetic fields to act as a brake on the momentum of the tremendous wheels.

Laws derived from mechanics, such as the conservation of energy, momentum, and angular momentum, were found to be covariant with respect to Galilean transforms and afforded the mechanistic foundations of classical science.

If we move Phobos, for example, automatic bookkeeping in the Bell Continuum would adjust descriptors for all particles moving within the galaxy, deducting a tiny amount of their total momentum, angular momentum, and kinetic energy.

Like some victorious general swept on by the momentum of his first bloody success, he began shooting diphtheria microbes, and iodine tri-chloride, and the poison of diphtheria microbes, into rabbits, into sheep, into dogs.

Momentum carried it toward the sailor, but it doubled up and pawed at its shattered left eyesocket.

The pair collided but combined their momentum right into Xiao Fei as she was ducking around the vamp girl with the big boobs.

Letting, his momentum take him, keeping his hold on the framea, Atretes rolled and came to his feet, freeing the weapon and bringing the razor sharp spear point into the abdomen of an attacker.

Expertly slung, their fatal trajectories gathered speed and momentum in the classic stance of Gle Kiang-ten.

Assuming capture of a live hopper, apply interrogationtechniques to discover source of original backward momentum.

We can make up the total momentum after diverting the planetoid and let the impactor control system get things back in sync again.

The entire hockey team was taking her course, so she held a couple lectures at the rink and had the heavily padded players act out the conservation of momentum through a series of inelastic collisions.

Mercury, then using a gravity assist, and the extra force light sails get close to the sun, to send the ship upward on a close pass by either the other libration point or the Earth, with enough momentum to continue on up into the farther reaches of the solar system.

Before the ducking Brynn could even think about stabbing forward under that slashing blade, Ung Lik Dy altered the momentum so that his sword was cutting diagonal slashes between the two combatants, forcing Brynn to retreat instead.

She continued to dodge and to back away, allowing Ung Lik Dy to play out his momentum.