spirillum

Definitions of spirillum
  1. noun
    spirally twisted elongate rodlike bacteria usually living in stagnant water
    see moresee less
    types:
    Spirillum minus, ratbite fever bacterium
    a bacterium causing ratbite fever
    type of:
    eubacteria, eubacterium, true bacteria
    a large group of bacteria having rigid cell walls; motile types have flagella
  2. noun
    any flagellated aerobic bacteria having a spirally twisted rodlike form
    synonyms: spirilla
    see moresee less
    type of:
    eubacteria, eubacterium, true bacteria
    a large group of bacteria having rigid cell walls; motile types have flagella
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