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[klo-strid-ee-uh m] /klɒˈstrɪd i əm/
noun, plural clostridia
[klo-strid-ee-uh] /klɒˈstrɪd i ə/ (Show IPA).
any of several rod-shaped, spore-forming, anaerobic bacteria of the genus Clostridium, found in soil and in the intestinal tract of humans and animals.
Origin of clostridium
1880-85; < New Latin < Greek klōstr-, variant stem of klōstḗr spindle (klōs-, variant stem of klṓthein (see Clotho) + -tēr agent suffix) + New Latin -idium -idium
Related forms
clostridial, clostridian, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for clostridium
Contemporary Examples
Historical Examples
  • For the spores of clostridium tetani, the culture should be three days old, but may be as old as a week.

    The Fundamentals of Bacteriology Charles Bradfield Morrey
British Dictionary definitions for clostridium


noun (pl) -iums, -ia (-ɪə)
any anaerobic typically rod-shaped bacterium of the genus Clostridium, occurring mainly in soil, but also in the intestines of humans and animals: family Bacillaceae. The genus includes the species causing botulism and tetanus
Derived Forms
clostridial, clostridian, adjective
Word Origin
C20: from New Latin, literally: small spindle, from Greek klōstēr spindle, from klōthein to spin; see -ium
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
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clostridium in Medicine

Clostridium Clos·trid·i·um (klŏ-strĭd'ē-əm)
A genus of rod-shaped, spore-forming, chiefly anaerobic bacteria including the nitrogen-fixing bacteria found in soil and those causing botulism and tetanus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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