The prefix, bio-, implies of or related to life or living organisms.
Words with the Prefix Bio-
We created the list of words with the prefix bio- by referencing two dictionaries: Merriam-Webster Children’s Dictionary and Merriam-Webster’s Intermediate Dictionary. We limited the bio- words to those most appropriate for a child in grades 5 through 8 or ages 10 through 14.
| Word | Definition |
|---|---|
| autobiography | a story about a person's life (biography) written by that person |
| biochemical | characterized by, produced by, or involving chemical reactions in living organisms |
| biochemist | a chemist specializing in biochemistry |
| biochemistry | chemistry that deals with the chemical compounds and processes occurring in living things |
| biodegradable | able to break down into very small harmless parts by the action of living things, e.g., bacteria; can be decomposed by living organisms |
| biodiesel | a fuel that is similar to diesel fuel and is usually derived from plants, e.g., soybeans |
| biodiversity | the existence of many different kinds of plants and animals in an environment |
| biographer | someone who tells the account of a real person's life |
| biographical | of or relating to an account of a real person's life |
| biography | a story about a person's life |
| biohazard | a biological agent or condition that is a hazard to humans or the environment |
| biological | of or relating to biology or to life and living things |
| biological clock | an inherent timing mechanism in living things that controls the timing of behaviors and bodily functions which occur in cycles |
| biological control | reduction in numbers or elimination of pest organisms by interference with their ecology, e.g., introduce a parasite |
| biological warfare | warfare involving the use of biological weapons |
| biological weapon | a harmful biological agent, e.g., pathogenic microorganism or a neurotoxin, used as a weapon to cause death or disease usually on a large scale |
| biologist | a person specializing in biology |
| biology | a science that deals with living things and life processes |
| biome | a major type of ecological community filled with distinctive plants and animals living together in a particular climate and physical environment, e.g., desert biomes |
| bionic | having the normal biological capability to perform a physical task increased by special devices - electronic or electromechanical devices (bio + (electr)onic) |
| bionics | a branch of science concerned with applying facts about the working of biological systems to the solution of engineering problems |
| biophysicist | a specialist in biophysics |
| biophysics | a branch of science concerned with the application of physical principles and methods to biological problems |
| biopsy | the removal and examination of tissue, cells, or fluids from the living body |
| biosphere | the part of the earth's crust, waters, and atmosphere that supports life |
| biosynthesis | the formation of chemical compounds by a living organism |
| biota | the animals, plants, fungi, etc., of a region or period. |
| biotechnology | the manipulation of living things to produce useful products, e.g., crops resistant to disease, drugs |
| bioterrorism | terrorism involving the use of biological weapons |
| biotic | of relating to, or caused by living things |
| biotin | a growth vitamin of the vitamin B complex found especially in yeast, liver and egg yolk. |
| biotite | a very common black or dark-green mineral of the mica group, containing iron, magnesium, potassium and aluminum |
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