Find the word definition

Crossword clues for biological

Longman Dictionary of Contemporary English
a religious/military/biological etc metaphor
▪ He uses a military metaphor to describe these women as ‘storming’ the castle of male power.
a sexual/biological urge
▪ Most of us feel the biological urge to reproduce.
biological clock ticking
▪ career women who hear the biological clock ticking
biological clock
▪ career women who hear the biological clock ticking
biological diversity (=including many different types of plants and animals)
▪ North Carolina is an area of astonishing biological diversity.
biological evolution
▪ Every living creature has been formed by the slow process of biological evolution.
biological/germ warfare (=using dangerous bacteria or illnesses as a weapon)
▪ These bacteria might be used in biological warfare.
chemical/biological weapons (=weapons that use chemicals such as poisonous gases, or dangerous germs)
▪ Troops may have been exposed to chemical weapons.
sb's biological/natural parents
▪ Most children are reared by their natural parents.
▪ The biological activity of these compounds remains to be determined.
▪ Such structural analysis provides clues about the sites on the molecule responsible for its biological activity in the body.
▪ But quite a lot of biological activity takes place in the pre-filter mat too.
▪ Intellectual and biological activity are both part of the overall process by which an organism adapts to the environment and organizes experience.
▪ Centrophenoxine had the strongest biological activity, producing a mild stimulation of the central nervous system.
▪ Both peptides have essentially identical biological activities.
▪ For each total synthesis a brief introduction is given, outlining the biological activity and other syntheses of the target compound.
▪ Caulerpa is not very hardy, and sensitive to changes in the chemical and biological activity of a new set-up.
▪ There are however two specific product types that have some value and are known, collectively, as biological agents.
▪ The front companies were liquidated or privatized, and most of the lethal or incapacitating chemical and biological agents were destroyed.
▪ The biological agents that can play a part in breaking down rocks include bacteria, algae and too tIers.
▪ This certainly has a biological basis as well as a social one.
▪ Those who posit a purely biological basis for this phenomenon are ignoring the class or political element.
▪ However, most sociologists would argue that systems of racial stratification have a social rather than a biological basis.
▪ It's the men now, as often as not, who hear the biological clock ticking loudest.
▪ We watch commercials for pregnancy testers that warn women to remember their biological clocks.
▪ The way Max's biological clock is ticking, it's a wonder Emma didn't call out the bomb squad.
▪ Unlike mechanical clocks, which are completely blind to their surroundings, a biological clock gets reset every day by the sun.
▪ The ticking of the biological clock.
▪ Of course, nature being unjust as ever, I have no biological clock of my own.
▪ You are an owl-and-lark couple, people whose biological clocks simply don't match.
▪ In classical biological control, a natural enemy is introduced to control an organism that has become a pest in its absence.
▪ If they did the biological control would fail.
▪ Ubiquitous and successful as they are, the owls could become significant agents of biological control.
▪ Nevertheless, many agrochemical companies are undertaking extensive research programmes on biological control.
▪ There is also considerable potential for the development of novel biological control agents by genetic engineering.
▪ Truly, Dolly has taken us into the age of biological control.
▪ Spray with a suitable insecticide or use biological control.
▪ Truly they will take humanity into the age of biological control.
▪ There may well have been, but an examination of those described shows the limitations of biological determinism.
▪ But strong biological determinism flies in the face of experience.
▪ Feminists are also realizing that a rejection of biology can, paradoxically, increase the influence of biological determinism.
▪ Surely their replacing biological determinism with social constructionism presents too limited a dialectic.
▪ Chomsky is committed to an axiom of biological determinism.
▪ It can therefore be argued that biological differences become biological inequalities only to the extent that they are defined as such.
▪ We are much less likely to find biological differences between races, simply because the genetic distances among them are so small.
▪ It can be argued that biological differences become biological inequalities when people define them as such.
▪ The Amazonian rainforests make up one third of all rainforests and are vitally important in terms of biological diversity.
▪ The Spice of Life Human biological diversity is hardly a new concept.
▪ They are regions of huge biological diversity, a treasure chest of invaluable worth, representing 60 million years of evolution.
▪ The impact, Loucks believes, may permanently reduce the biological diversity of this extraordinary ecosystem.
▪ What all these tropical forests have in common, however, is their astonishing biological diversity.
▪ We can not save the world's biological diversity unless we nurture the human diversity that protects and develops it.
▪ Scientists interested in biological diversity, and the evolutionary reasons for it, already see it in that light.
▪ The forces which drive technological development have a close parallel in biological evolution.
▪ In terms of biological evolution, complex adaptive systems seek patterns and learn from their interactions with the environment.
▪ Inpart Marx say this task as paralleling what had been done by Darwin for biological evolution.
▪ Human cultures can change rapidly because cultural innovation is infinitely faster than biological evolution.
▪ Evolving software mimics biological evolution with collections of programs competing with each other to see which performs the task best.
▪ His approach has undoubtedly helped a lot of people to understand the complexities of biological evolution.
▪ Such anxieties are still informed by nineteenth-century pseudo-scientific genetic and biological explanations of racial difference and comprise distortion, fantasy and myth.
▪ Theories of socialization also tend to provide implicitly biological explanations of social relations other than gender.
▪ Generally, however, feminist psychologists try to avoid biological explanations.
▪ It is the credibility of this biological explanation which allows them to assimilate other female-male differences to it.
▪ But egalitarian feminists tend to play down the value of biological explanations.
▪ Nor are states of health and states of dependency automatically related to the biological facts of ageing.
▪ It looks as though here, too, the hypothesis does not account for all the biological facts.
▪ It also has a reputation for uncleanliness that is borne out by the biological facts.
▪ This statement will anger many well-meaning vegetarians and vegans, but they must face the biological facts.
▪ The biological fact of her femininity took precedence over serious critical evaluations of her work.
▪ Just how much is due to inherited characteristics, and how much to other biological factors or early childhood experiences is still uncertain.
▪ Researchers hope to find chemical or biological factors that protect some children against malaria.
▪ Furthermore, the biological factors which predispose certain individuals towards a depletion of these neurotransmitters have not yet been established.
▪ The biological factor is the length of time that the human child is dependent and helpless and in need of attention from parents.
▪ The relative importance of habit and biological factors in such circumstances is hard to decide.
▪ Thus, the effect of socio-economic factors may coalesce with the effect of biological factors.
▪ There are many ways in which biological factors may be implicated in depression.
▪ She sums up the situation by saying that the reconstituted family is never the same as the biological family.
▪ Clearly, many factors besides abortion result in children whose biological families are unable to rear them. 2.
▪ The two candidates for the role of biological father were both Black Panthers.
▪ My biological father is diagnosed as paranoid / schizophrenic.
▪ They were clearly biological fathers only - not practising parents.
▪ Or now, when they swear their biological father forced them to make the whole story up?
▪ Set up a biological filter and circulate your pondwater through it about once every two hours with a suitable pump.
▪ It can take up to 30 days, dependant on temperature for a biological filter to become established.
▪ In the first of several experiments, Ray pumped water through the device into the bottom of a pump-fed biological filter.
▪ Stocking too quickly leads to disease and deaths, as the biological filter can not cope with the load.
▪ The next chamber or chambers generally hold the main media, aimed at biological filtration.
▪ Foam media is also supplied in some units as the main source of biological filtration.
▪ Not only can it be introduced by contaminated water changes but it is also self-generated as part of the biological filtration cycle.
▪ It passes through a sponge where mechanical and biological filtration takes place, and is then passed back on to the water.
▪ Despite the contrast in their biological functions, these cells show similarities in their phospholipid orientation.
▪ We have fulfilled our biological function.
▪ Polyunsaturated fatty acids have essential biological functions.
▪ This is where the internal surfaces in biological materials and reinforced plastics become important.
▪ The organic matter is extremely old and quite dissimilar to biological material.
▪ In short, fertilization enhanced neither the build-up of biological materials nor the capture of nutrients by it.
▪ In a field where biological material is limited, experimental cytogenetic techniques often require only a few cells.
▪ Baboons are highly intelligent animals and learn to satisfy their biological needs in many often diverse ways.
▪ There is no biological need for each to have the same genetic code.&038;.
▪ Which suggests that the life patterns imposed on infants in fact derive from biological need.
▪ Primary reinforcers such as water and food satisfy biological needs.
▪ Nature allows some persons to pass through all the successive levels of biological growth and thereby attain their biological needs.
▪ There is no biological need for the father to be anywhere around when the baby is born and nurtured.
▪ And you may like to know that we have not neglected the infant's biological need to suckle.
▪ At first the growth of a child is dictated by biological needs.
▪ Modern societies are therefore institutionally differentiated, on the analogy of biological organisms, from the relatively simple to the relatively complex.
▪ This background influenced all his thinking about man in society, for he never forgot that human beings were biological organisms.
▪ In the biochemical approach, enzymes obtained from biological organisms are used.
▪ Individual cells have to develop differently in order to make any biological organism.
▪ This brings us to another group of alleged animal rights which relate to its functioning as a biological organism.
▪ It's now estimated that by 2010, children in stepfamilies will actually outnumber those living with two biological parents.
▪ The hearing would decide whether the state should terminate the rights of the biological parents and put the child up for adoption.
▪ Steven Lowe, Liverpool Who would be the biological parents of a human clone, and what legal ramifications would this have?
▪ Adopted children and their biological parents may suffer stress long after the adoption. 4.
▪ Most of the debate was really about an alleged universality of the nuclear family of married biological parents and their legitimate children.
▪ Nevertheless, I have as much of a need to hand my legacy on to some one as any biological parent.
▪ An entire new world had opened to Celestine: how to use chemical insight and apply it to biological problems.
▪ Instead of growing up, I had, as it were, grown down, and thus reversed a natural biological process.
▪ Manufacturers will perceive natural biological processes as competitive and inspirational, and this will drive manufactured processes toward biological-type solutions.
▪ One wonders, then, what must be the effect of such an influx of fresh vitality upon biological processes?
▪ Imagine, Tibbs suggests, that we push grimy workaday industrial processes toward the character of biological processes.
▪ This is true of many biological processes and no one level is intrinsically preferable to another.
▪ In this case, air stripping precedes a conventional biological process, while carbon adsorption is used as a final polishing step.
▪ This relationship between body temperature and the speed of biological processes applies throughout the animal kingdom.
▪ The widest possible implications must be considered when either sanctioning or preventing the application of a new biological process.
▪ There are good biological reasons for why it is so difficult to produce drugs that will knock out viral infections.
▪ Piaget examined and rejected both the Darwinian and Lamarckian positions, which conclude that for biological reasons, wars are inevitable.
▪ Second, only 15 0 % of patients were ineligible for biological reasons, and only 3 6 % refused enrolment.
▪ But there are also biological reasons for its persistence.
▪ The Marie Curie Research Institute develops molecular biological research into the causes and treatment of cancer.
▪ Could biological research really refute the insights Freud formulated about mankind?
▪ Such a scheme has a factorial treatment structure and is very commonly used in biological research.
▪ Should one speak of biological science or sciences?
▪ Coming to the subject by way of the biological sciences, she stressed the value of biological principles applied to human geography.
▪ Darwin is loose on the shop floor, and industry has become a branch of the biological sciences.
▪ To those like me whose education concentrated on the physical rather than the biological sciences, the Nilsson film was a revelation.
▪ What is meant by science in this case is of course the physical sciences and to a lesser degree the biological sciences.
▪ It was not a kinship group in any biological sense.
▪ Most biological systems have feedback mechanisms that help smooth out the little fluctuations that life throws at them.
▪ In biological systems, it is therefore necessary to distinguish between osmotically active and osmotically inactive particles.
▪ This is just one example of the many that could be quoted to emphasize the importance of shape in biological systems.
▪ Some biological systems are so organized that they remain in the game of life.
▪ Many of the essays look at the reasons why chirality is of interest and the relationship to biological systems.
▪ Corresponding to this economics of adaptability components there is an economics of stability and instability in biological systems.
▪ Because of its extensive tissue localisation, its effects on a variety of biological systems has been assessed.
▪ Official sketches show a small warren of rooms, lit by artificial lights and stuffed with compact biological systems.
▪ Unlike biological theories, socialization accounts apply equally to women and men.
▪ Wilson's position makes sense of a great deal in the history of general biological theory before and since 1900.
▪ That Darwin's ideas could have such manifold influence throughout the entire structure of modern biological theory should not now be surprising.
▪ Some feminist psychologists have even developed a kind of biological egalitarianism as a corrective to psychology's male-oriented biological theories.
▪ Some biological theories are sufficiently affected by increasing demands for social relevance to tackle social differences.
▪ These patterns are usually less clear and testable than those described in overtly biological theories.
▪ He never had another fundamentally novel idea in general biological theory.
▪ Agricultural institutions also began to play a major role in applying biological theory to the problems of agriculture.
▪ He knew then that the mystery of Titron was only partly explained by the secret biological warfare establishment.
▪ The accord also authorized the creation of a mechanism to monitor the observance of conventions banning biological weapons.
▪ More successful than any of these methods, however, looks to be a new biological weapon, a nematode.
▪ We tend to focus on nuclear but chemical and biological weapons, while not as devastating, would be plenty bad.
▪ The chances of this working are close to zero, leaving organic farmers without their biological weapon of last resort.
▪ We will in addition work for a global ban on chemical and biological weapons and stronger controls to prevent proliferation of ballistic missiles.
▪ Mubarak's initiative for a Middle East free from nuclear, chemical and biological weapons was also welcomed.
▪ Regional conflicts - along with the proliferation of missiles and nuclear, chemical and biological weapons - present growing dangers.
biological studies
▪ Freud had always supposed that the various forms of innate behaviour he explored had biological bases to them.
▪ He has been especially dodgy about agreements meant to prevent him from developing chemical, biological or nuclear weapons.
▪ In biological writing it has often been said that a character is advantageous or detrimental to a species.
▪ In fact, it tends to disprove the biological argument.
▪ Most biological systems have feedback mechanisms that help smooth out the little fluctuations that life throws at them.
▪ The Marie Curie Research Institute develops molecular biological research into the causes and treatment of cancer.
▪ There is no biological need for the father to be anywhere around when the baby is born and nurtured.
▪ We can not answer the mystery of desire with descriptions of biological functioning.
The Collaborative International Dictionary

Biologic \Bi`o*log"ic\, Biological \Bi`o*log"ic*al\, a.

  1. Of or relating to biology. -- Bi`o*log"ic*al*ly, adv.

  2. related by blood; -- of parents and children; -- contrasted with adoptive, adopted, or foster; as, Mary was adopted directly from the maternity hospital and never met her biological mother.

    Syn: biologic.

Douglas Harper's Etymology Dictionary

1840, from biology + -ical. Biological clock attested from 1955; not especially of human reproductive urges until c.1991. Related: Biologically.


a. Of or relating to biology.

  1. adj. pertaining to biology or to life and living things [syn: biologic]

  2. of parents and children; related by blood; "biological child" [ant: adoptive]


Usage examples of "biological".

It had been almost a year since he had discovered her identity with the help of an Internet search group dedicated to reuniting adoptees with their biological parents.

We might not have enough forces to aggressively seek out and suppress Iraqi artillery and multiple-rocket launchers that Iraq would use to fire chemical and possibly biological weapons at our troops.

Bin Ria Dem Loa Alem, was the child of the current partnership -- although the biological child of which woman, I never discovered -- and that he was dying of cancer.

WMD, no small concern in a nation that had once amassed a considerable arsenal of chemical weapons, biological agents, and Scud missiles, and was not now a model of governmental organization.

Biological processes of some sort were taking place here, anabolism, catabolism, ingestion, respiration, reproduction, whatever.

These heavily optimized fake stem cells biological robots in all but name spawn like cancer, ejecting short-lived anucleated secondary cells.

The fact that philosophers, modelers and neurobiologists are actually listening to one another, and that computer people have at last begun to show some respect for biological as well as artefactual brains, clearly makes their analyses an advance over the earlier ones, in which Al enthusiasts tended to run away with preconceived notions of what nerve cells did, and soon cut off all meaningful contact with the biological phenomena which the neurobiologists were studying.

Ever since the first dab of living substance was brewed up in the amino-acid-tainted soups of azoic oceans on our primordial Earth, and the first simple prototypes of the double-helix DNA molecules of heredity appeared, biological forms have been becoming more complex--learning, acquiring more know-how.

What a berdache is, basically, is someone who adopts a gender other than their biological one.

So a biocentric psychology is one that approaches the study of human beings from a biological or a life-centered perspective.

In most cases - unless you happen to be at the actual site of the chemical or biological agents - you are likely to have time to take the one precaution that applies to all biochem hazards: avoiding areas near the contamination.

We packed our biological agents in small melon-sized metal balls, called bomblets, set to explode several miles upwind from the target city.

If you regard the general condition of misery as the sole source of criminality, then you cannot get around the difficulty that out of one thousand individuals living in misery from the day of their birth to that of their death only one hundred or two hundred become criminals, while the other nine hundred or eight hundred either sink into biological weakness, or become harmless maniacs, or commit suicide without perpetrating any crime.

He gives a precise biological description of every imaginable thing there is to eat, then presents an exact analysis of every imaginable method of cooking it and shows how all the glories of cuisine rise out of the limitless intersections of these two forces.

WarAvocat and Deified, krekelen and witnesses, all were part of a dramatization for slower biological minds.