[par-uh-sahy-tol-uh-jee, -si-]


the branch of biology dealing with parasites and the effects of parasitism.

Origin of parasitology

First recorded in 1880–85; parasite + -o- + -logy
Related formspar·a·si·to·log·i·cal [par-uh-sahyt-l-oj-i-kuh l] /ˌpær əˌsaɪt lˈɒdʒ ɪ kəl/, adjectivepar·a·si·tol·o·gist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for parasitology

Historical Examples of parasitology

  • You—or rather, Jay Allison is a specialist in Darkovan parasitology, as well as a very competent surgeon.

    The Planet Savers

    Marion Zimmer Bradley

  • One of them, Dr. Chagas, a Brazilian, is well known in the world of science for his studies in bacteriology and parasitology.

    South America To-day

    Georges Clemenceau

  • Handbook on the parasitology of man together with a treatise on the vectors of transmissible diseases.

  • Kennon leaned back from the microscope and studied the illustrations in the parasitology text.

    The Lani People

    J. F. Bone

British Dictionary definitions for parasitology



the branch of biology that is concerned with the study of parasites
Derived Formsparasitological (ˌpærəˌsaɪtəˈlɒdʒɪkəl), adjectiveparasitologist, noun
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

parasitology in Medicine


[păr′ə-sĭ-tŏlə-jē, -sī-]


The study of parasites and parasitism.
Related formspar′a•si′to•logic (-sī′tə-lŏjĭk) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.