bacillus

Definitions of bacillus
  1. noun
    aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
    synonyms: B
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    types:
    Bacillus anthracis, anthrax bacillus
    a species of bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and rabbits and mice and guinea pigs); can be used a bioweapon
    Bacillus globigii, Bacillus subtilis, grass bacillus, hay bacillus
    a species of bacillus found in soil and decomposing organic matter; some strains produce antibiotics
    Yersinia pestis
    a bacillus bacterium that causes the plague; aerosolized bacteria can be used as a bioweapon
    type of:
    eubacteria, eubacterium, true bacteria
    a large group of bacteria having rigid cell walls; motile types have flagella
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