• synonyms


[kok-sid-ee-uh m]
noun, plural coc·cid·i·a [kok-sid-ee-uh] /kɒkˈsɪd i ə/. Microbiology.
  1. any sporozoan of the order Coccidia, often parasitic in the digestive tracts of certain animals and a cause of coccidiosis.
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Origin of coccidium

< New Latin Coccidium, originally a genus name; see coccus, -idium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coccidium

Historical Examples

  • The spores are generally situated in distinct hollow conceptacles (favellæ, ceramidium, coccidium).

    Sea-Weeds, Shells and Fossils

    Peter Gray

  • Infection by Coccidium oviforme is very common, without however presenting any symptoms by which the infection may be recognised.

  • In one case (Coccidium mitrarium), the oocyst itself, instead of being spherical, is curiously shaped like a mitre.

coccidium in Medicine


n. pl. coc•cid•i•a (-ē-ə)
  1. Any of various protozoan parasites belonging to the order Coccidia.
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Related formscoc•cidi•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.