| abiogenesis | (noun) a hypothetical organic phenomenon by which living organisms are created from nonliving matter | Synonyms: autogenesis, autogeny, spontaneous generation |
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| abiogenist | (noun) a believer in abiogenesis | - |
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| abiotrophy | (noun) a loss of vitality and a degeneration of cells and tissues not due to any apparent injury | - |
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| aerobiosis | (noun) life sustained in the presence of air or oxygen | - |
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| agrobiology | (noun) the study of plant nutrition and growth especially as a way to increase crop yield | - |
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| amebiosis | (noun) infection by a disease-causing ameba | Synonyms: amebiasis, amoebiasis, amoebiosis |
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| amoebiosis | (noun) infection by a disease-causing ameba | Synonyms: amebiasis, amebiosis, amoebiasis |
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| anabiosis | (noun) suspended animation in organisms during periods of extreme drought from which they revive when moisture returns | - |
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| antibiosis | (noun) an association between organisms that is harmful to one of them or between organisms and a metabolic product of another | - |
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| antibiotic | (noun) a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections | Synonyms: antibiotic drug |
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| astrobiology | (noun) the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life | Synonyms: exobiology, space biology |
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| autobiographer | (noun) someone who writes their own biography | - |
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| autobiography | (noun) a biography of yourself | - |
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| bioarm | (noun) any weapon usable in biological warfare | Synonyms: biological weapon, bioweapon |
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| bioassay | (noun) appraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard | Synonyms: bio-assay |
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| bioattack | (noun) the use of bacteria or viruses or toxins to destroy men and animals or food | Synonyms: biologic attack, biological attack, biological warfare, BW |
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| biocatalyst | (noun) a biochemical catalyst such as an enzyme | - |
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| biochemist | (noun) someone with special training in biochemistry | - |
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| biochemistry | (noun) the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry | - |
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| biochip | (noun) a microchip that uses tiny strands of DNA to latch onto and quickly recognize thousands of genes at a time; intended for use in a biological environment | - |
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| bioclimatology | (noun) the study of effects of climate on living organisms | - |
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| biodefence | (noun) procedures involved in taking defensive measures against attacks using biological agents | Synonyms: biodefense, biological defence, biological defense |
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| biodefense | (noun) procedures involved in taking defensive measures against attacks using biological agents | Synonyms: biodefence, biological defence, biological defense |
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| biodiversity | (noun) the diversity of plant and animal life in a particular habitat (or in the world as a whole) | - |
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| biodynamics | (noun) the branch of biology dealing with energy or the activity of living organisms. | - |
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| bioelectricity | (noun) electric phenomena in animals or plants | - |
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| bioengineering | (noun) the branch of engineering science in which biological science is used to study the relation between workers and their environments | Synonyms: biotechnology, ergonomics |
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| bioethics | (noun) the branch of ethics that studies moral values in the biomedical sciences | - |
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| biofeedback | (noun) a training program in which a person is given information about physiological processes (heart rate or blood pressure) that is not normally available with the goal of gaining conscious control of them | - |
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| bioflavinoid | (noun) a vitamin that maintains the resistance of cell and capillary walls to permeation | Synonyms: citrin, vitamin P |
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| biogenesis | (noun) the production of living organisms from other living organisms | Synonyms: biogeny |
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| (noun) production of a chemical compound by a living organism | Synonyms: biosynthesis |
| biogeny | (noun) the production of living organisms from other living organisms | Synonyms: biogenesis |
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| biogeography | (noun) dealing with the geographical distribution of animals and plants | - |
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| biographer | (noun) someone who writes an account of a person's life | - |
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| biographism | (noun) reduction of textual meaning to authorial biography. | - |
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| biography | (noun) an account of the series of events making up a person's life | Synonyms: life, life history, life story |
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| biohazard | (noun) any bacterium or virus or toxin that could be used in biological warfare | Synonyms: biological agent |
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| (noun) hazard to humans or the environment resulting from biological agents or conditions | - |
| biologism | (noun) use of biological principles in explaining human especially social behavior | - |
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| biologist | (noun) (biology) a scientist who studies living organisms | Synonyms: life scientist |
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| biology | (noun) the science that studies living organisms | Synonyms: biological science |
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| (noun) all the plant and animal life of a particular region | Synonyms: biota |
| (noun) characteristic life processes and phenomena of living organisms | - |
| bioluminescence | (noun) luminescence produced by physiological processes (as in the firefly) | - |
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| biomass | (noun) the total mass of living matter in a given unit area | - |
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| (noun) plant materials and animal waste used as fuel | - |
| biome | (noun) a major biotic community characterized by the dominant forms of plant life and the prevailing climate | - |
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| biomedicine | (noun) the branch of medical science that studies the ability of organisms to withstand environmental stress (as in space travel) | - |
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| (noun) the branch of medical science that applies biological and physiological principles to clinical practice | - |
| biometrics | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometry, biostatistics |
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| biometry | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometrics, biostatistics |
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| bionics | (noun) application of biological principles to the study and design of engineering systems (especially electronic systems) | - |
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| bionomics | (noun) the branch of biology concerned with the relations between organisms and their environment | Synonyms: ecology, environmental science |
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| biont | (noun) a discrete unit of living matter | - |
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| biophysicist | (noun) a physicist who applies the methods of physics to biology | - |
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| biophysics | (noun) physics as applied to biological problems | - |
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| biopiracy | (noun) biological theft; illegal collection of indigenous plants by corporations who patent them for their own use | - |
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| biopsy | (noun) examination of tissues or liquids from the living body to determine the existence or cause of a disease | - |
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| bioremediation | (noun) the act of treating waste or pollutants by the use of microorganisms (as bacteria) that can break down the undesirable substances | - |
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| (noun) the branch of biotechnology that uses biological process to overcome environmental problems | - |
| biosafety | (noun) safety from exposure to infectious agents | - |
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| bioscience | (noun) any of the branches of natural science dealing with the structure and behavior of living organisms | Synonyms: life science |
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| bioscope | (noun) a kind of early movie projector | - |
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| (noun) a South African movie theater | - |
| biosphere | (noun) the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist | - |
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| biostatistics | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometrics, biometry |
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| biosynthesis | (noun) production of a chemical compound by a living organism | Synonyms: biogenesis |
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| biosystematics | (noun) use of data (e.g. cytogenetic or biochemical) to assess taxonomic relations especially within an evolutionary framework | Synonyms: biosystematy |
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| biosystematy | (noun) use of data (e.g. cytogenetic or biochemical) to assess taxonomic relations especially within an evolutionary framework | Synonyms: biosystematics |
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| biota | (noun) all the plant and animal life of a particular region | Synonyms: biology |
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| biotech | (noun) the branch of molecular biology that studies the use of microorganisms to perform specific industrial processes | Synonyms: biotechnology |
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| biotechnology | (noun) the branch of engineering science in which biological science is used to study the relation between workers and their environments | Synonyms: bioengineering, ergonomics |
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| (noun) the branch of molecular biology that studies the use of microorganisms to perform specific industrial processes | Synonyms: biotech |
| bioterrorism | (noun) terrorism using the weapons of biological warfare | Synonyms: biological terrorism |
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| biotin | (noun) a B vitamin that aids in body growth | Synonyms: vitamin H |
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| biotite | (noun) dark brown to black mica found in igneous and metamorphic rock | - |
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| biotype | (noun) organisms sharing a specified genotype or the genotype (or peculiarities) so shared | - |
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| bioweapon | (noun) any weapon usable in biological warfare | Synonyms: bioarm, biological weapon |
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| catabiosis | (noun) normal aging of cells | - |
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| cryobiology | (noun) the branch of biology that studies the effects of low temperatures on living tissues or organs or organisms | - |
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| cryptobiosis | (noun) a state in which an animal's metabolic activities come to a reversible standstill | - |
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| dubiousness | (noun) uncertainty about the truth or factuality or existence of something | Synonyms: doubt, doubtfulness, question |
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| (noun) the state of being unsure of something | Synonyms: doubt, doubtfulness, dubiety, incertitude, uncertainty |
| exobiology | (noun) the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life | Synonyms: astrobiology, space biology |
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| labiodental | (noun) a consonant whose articulation involves the lips and teeth | Synonyms: labiodental consonant |
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| macrobiotics | (noun) the theory of promoting health and longevity by means of diet (especially whole beans and grains) | - |
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| microbiologist | (noun) a specialist in microbiology | - |
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| microbiology | (noun) the branch of biology that studies microorganisms and their effects on humans | - |
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| necrobiosis | (noun) (physiology) the normal degeneration and death of living cells (as in various epithelial cells) | Synonyms: cell death |
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| neurobiologist | (noun) a specialist in neurobiology | - |
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| neurobiology | (noun) the branch of biology that deals with the anatomy and physiology and pathology of the nervous system | - |
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| novobiocin | (noun) an antibiotic obtained from an actinomycete and used to treat infections by Gram-positive bacteria | - |
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| palaeobiology | (noun) a branch of paleontology that deals with the origin and growth and structure of fossil animals and plants as living organisms | Synonyms: paleobiology |
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| paleobiology | (noun) a branch of paleontology that deals with the origin and growth and structure of fossil animals and plants as living organisms | Synonyms: palaeobiology |
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| probiotic | (noun) a beneficial bacterium found in the intestinal tract of healthy mammals; often considered to be a plant | Synonyms: probiotic bacterium, probiotic flora, probiotic microflora |
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| (noun) A dietary supplement containing live bacteria, usually taken after a course of antibiotics to replenish the damaged gastrointestinal flora. | - |
| radiobiologist | (noun) a biologist who studies the effects of radiation on living organisms | - |
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| radiobiology | (noun) the branch of biology that studies the effects of radiation on living organisms | - |
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| scabiosa | (noun) any of various plants of the genus Scabiosa | Synonyms: scabious |
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| scabious | (noun) any of various plants of the genus Scabiosa | Synonyms: scabiosa |
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| sociobiologist | (noun) a biologist who studies the biological determinants of social behavior | - |
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| sociobiology | (noun) the branch of biology that conducts comparative studies of the social organization of animals (including human beings) with regard to its evolutionary history | - |
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| symbiosis | (noun) the relation between two different species of organisms that are interdependent; each gains benefits from the other | Synonyms: mutualism |
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| trophobiosis | (noun) a symbiotic relation in which one organism protects the other in return for some kind of food product | - |
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