| bioflavonoid |
any of a group of yellow hydrocarbon pigments found in many flowers and fruits, once thought to be important as a vitamin in humans; vitamin P. |
| biogas |
any gaseous fuel produced by the bacterial decomposition of organic matter, composed primarily of methane and carbon dioxide. |
| biogenesis |
the principle that living organisms are generated only by other living organisms. [2 definitions] |
| biogeography |
the study of the geographic distribution of living organisms. |
| biographer |
a person who writes biography. |
| biographical |
of or relating to the facts and circumstances of a person's life. [2 definitions] |
| biography |
an account, usu. written, of the facts and circumstances of one person's life. [3 definitions] |
| biohazard |
a biological substance or condition that endangers human life or health. |
| bioinformatics |
the analysis of biological data, such as DNA or protein sequences, using computers. [2 definitions] |
| biological |
of or pertaining to biology. |
| biological warfare |
the use of living organisms such as bacteria or viruses to kill or disable people or destroy their food supply. |
| biologist |
a scientist who specializes in biology. |
| biology |
the science that is concerned with the growth, development, and functioning of living things. [3 definitions] |
| bioluminescence |
the emission of light produced naturally by certain kinds of insects, fish, or bacteria, or such light itself. |
| biomagnetism |
the scientific study of the effects of magnetic forces on biological systems. |
| biomass |
the quantity of living matter in a particular habitat measured by weight of organisms per unit of habitat area or by weight or volume of organisms per unit of habitat volume. |
| biome |
a major type of global region, such as forest, desert, or grassland, characterized by the community of plants and animals that have adapted to life under the particular soil and climatic conditions that a particular region presents. [2 definitions] |
| biomedicine |
the branch of medicine concerned with human survival and functioning in abnormal environmental conditions. |
| biometrics |
(used with a sing. verb) the mathematical and statistical analysis of biological data. |
| biomimicry |
the imitation of natural biological functioning in the creation of new forms of technology or in the devising of new processes or systems that can help solve human problems. |
| bionic |
consisting of or supplemented by electronic or mechanical devices. [3 definitions] |