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Related to spirillum: Spirillum volutans
n. pl. spi·ril·la (-rĭl′ə)
1. Any of several aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing tufts of flagellae.
2. Any of various other spiral-shaped bacteria, especially one formerly classified in this genus.
[New Latin Spīrillum, genus name, diminutive of Latin spīra, coil; see spire2.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -la (-lə)
1. (Microbiology) any bacterium having a curved or spirally twisted rodlike body. Compare coccus1, bacillus1
2. (Microbiology) any bacterium of the genus Spirillum, such as S. minus, which causes ratbite fever
[C19: from New Latin, literally: a little coil, from spīra a coil]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. -ril•la (-ˈrɪl ə)
any of various spirally twisted bacteria of the genus Spirillum, certain species of which are pathogenic.
[1870–75; < New Latin, < Latin spīra coil]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Any of various bacteria that are shaped like a spiral.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||spirillum - spirally twisted elongate rodlike bacteria usually living in stagnant water|
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
genus Spirillum - a genus of bacteria
|2.||spirillum - any flagellated aerobic bacteria having a spirally twisted rodlike form|
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