• 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 coccidia

Historical Examples

  • For this reason he regards them as Gregarines rather than Coccidia.

    Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5


  • That coccidia are not always killed by exposure to the sun is shown by their survival on the sites of old chicken yards.

    Our Vanishing Wild Life

    William T. Hornaday

coccidia in Medicine


  1. An order of protozoans that are intracellular parasites in many vertebrates.
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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.