spirillum

noun

Any of several aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing tufts of flagellae.

noun

Any of various other spiral-shaped bacteria, especially one formerly classified in this genus.

noun

A bacterium of the genus Spirillum.

noun

A genus or form-genus of Schizomycetes or bacteria, having cylindrical or somewhat compressed spirally twisted cells.

noun

A genus of common motile microörganisms (Spirobacteria) having the form of spiral-shaped filaments. One species is said to be the cause of relapsing fever.

noun

Any of various aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing a tuft of flagella.

noun

Any of various other spiral-shaped microorganisms.

noun

spirally twisted elongate rodlike bacteria usually living in stagnant water

noun

any flagellated aerobic bacteria having a spirally twisted rodlike form