[ spahy-ril-uh m ]
/ spaɪˈrɪl əm /
noun, plural spi·ril·la [spahy-ril-uh] /spaɪˈrɪl ə/. Bacteriology.
any of several spirally twisted, aerobic bacteria of the genus Spirillum, certain species of which are pathogenic for humans.
any of various similar microorganisms.
- spirillum minus,
- spirit away,
- spirit cave,
- spirit compass
Origin of spirillum
1870–75; < New Latin, equivalent to Latin spīr(a) (see spire2) + -illum diminutive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for spirillar
Unfortunately, the existence of spirillar infection of the blood was not known at the time.
/ (spaɪˈrɪləm) /
noun plural -la (-lə)
Word Origin for spirillum
C19: from New Latin, literally: a little coil, from spīra a coil
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
(plural spirilla), 1875, Modern Latin, diminutive of Latin spira (see spiral (adj.)). So called for their structure.
Online Etymology Dictionary, © 2010 Douglas Harper
[ spī-rĭl′ər ]
S-shaped. Used of a bacterial cell.
[ spī-rĭl′əm ]
n. pl. spi•ril•la (-rĭl′ə)
A member of the genus Spirillum.
Any of various other spiral-shaped microorganisms.
A genus of large, aerobic, gram-negative bacteria having an elongated spiral form and a tuft of flagella.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
[ spī-rĭl′əm ]
Any of various bacteria that are shaped like a spiral, such as the spirochete Treponema pallidum, which causes syphilis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.