• synonyms


[spawr-uh-zoh-uh n, spohr-]
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  1. any parasitic spore-forming protozoan of the phylum (or class) Sporozoa, several species of which, as plasmodia, cause malaria.
  1. Also spo·ro·zo·al. belonging or pertaining to the Sporozoa.

Origin of sporozoan

First recorded in 1885–90; Sporozo(a) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sporozoan

Historical Examples

  • Others suffer more or less from the attacks of various Sporozoan parasites.

    Insects and Diseases

    Rennie W. Doane

British Dictionary definitions for sporozoan


  1. any parasitic protozoan of the phylum Apicomplexa (or Sporozoa), characterized by a complex life cycle, part of which is passed in the cells of the host, and the production of asexual spores: includes the malaria parasiteSee plasmodium (def. 2)
  1. of or relating to sporozoans
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

sporozoan in Medicine


  1. An organism of the class Sporozoa.
Related formsspo′ro•zoan adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

sporozoan in Science


  1. Any of numerous parasitic protozoans now classified as apicomplexans.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.