'Spirillum' definitions:
Definition of 'spirillum'
From: WordNet
noun
Spirally twisted elongate rodlike bacteria usually living in stagnant water
noun
Any flagellated aerobic bacteria having a spirally twisted rodlike form [syn: spirillum, spirilla]
Definition of 'Spirillum'
From: GCIDE
- Spirillum \Spi*ril"lum\, n. [NL., dim. of L. spira a coil.]
- 1. (Biol.) A genus of common gram-negative motile microorganisms (family Spirillaceae) having the form of spiral-shaped filaments. They are obligately microaerophilic, and do not ferment carbohydrates. --Stedman. [1913 Webster]
- 2. A species of bacteria (Borrelia recurrentis, also known as Obermeier's spirillum), once believed to belong to the genus Spirillum, which causes relapsing fever. [PJC]