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bac·te·ri·um
 bacterium
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- pronunciation:
- baek
ti
ri
 m
| part of speech: |
noun |
| inflections: |
bacteria |
| definition: |
singular form of "bacteria." Bacteria are tiny living things made up of one cell each. Bacteria live in most living things and in all parts of the earth. Most bacteria are useful to people, but some are harmful because they can cause disease.
- similar words:
- microbe
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| related words: |
bug, germ |
| derivations: |
bacterial (adj.), bacterially (adv.) |
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