Definitions for bacteriumbækˈtɪər i əm

This page provides all possible meanings and translations of the word bacterium

Random House Webster's College Dictionary

bac•te•ri•umbækˈtɪər i əm(n.)

  1. Category: Microbiology

    Ref: sing. of bacteria .

Origin of bacterium:

1840–50; < NL < Gk baktḗrion, dim. of baktēría staff

Princeton's WordNet

  1. bacteria, bacterium(noun)

    (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


  1. bacterium(Noun)

    A single celled organism with no nucleus.

Webster Dictionary

  1. Bacterium(noun)

    a microscopic vegetable organism, belonging to the class Algae, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions. Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms. They are very widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores. Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases. See Bacillus

British National Corpus

  1. Nouns Frequency

    Rank popularity for the word 'bacterium' in Nouns Frequency: #2422


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