Meaning

3 senses
  1. (US)A type, species, or strain of bacterium.

  2. (derogatory, slang)Lowlife, slob (could be treated as plural or singular).

  3. (dated)An oval bacterium, as distinguished from a spherical coccus or rod-shaped bacillus.

More definitions
  • (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants

Examples

4 sentences
  1. This bacterium is resistant to penicillin.

    ruЭта бактерия устойчива к пенициллину.

    deDieses Bakterium ist resistent gegen Penicillin.

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  2. Do not confuse a virus with a bacterium.

    deViren und Bakterien sollte man nicht verwechseln!

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  3. Koalas face many threats, including chlamydia – a bacterium that can cause pneumonia and infertility.

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  4. The toxin that causes diphtheria is produced by a normally benign bacterium when infected with a certain virus.

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Origin

Borrowed from New Latin bacteria, plural of bactērium, from Ancient Greek βακτήριον (baktḗ

Borrowed from New Latin bacteria, plural of bactērium, from Ancient Greek βακτήριον (baktḗrion, “little rod”); by surface analysis, bacteri(um) + -a.

From New Latin bactēria, from Ancient Greek βακτηρίᾱ (baktēríā, “rod, stick”).

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: bacterias / bacteriae
Singularbacteria
Pluralbacterias / bacteriae

regular

Synonyms

1 synonyms
Close in meaning
  • (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants:bacterium

Word family

12 related words

See also

neighbours in the dictionary
bacteria — meaning, examples, forms, synonyms | Krumeto