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[trik-uh-muh-nahy-uh-sis] /ˌtrɪk ə məˈnaɪ ə sɪs/
noun, Pathology.
a sexually transmitted disease typically asymptomatic in men and resulting in vaginitis with a copious, frothy discharge and itching in women, caused by a trichomonad Trichomonas vaginalis.
any of various other diseases caused by a trichomonad.
Origin of trichomoniasis
First recorded in 1915-20; trichomon(ad) + -iasis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for trichomoniasis


inflammation of the vagina characterized by a frothy discharge, caused by infection with parasitic protozoa (Trichomonas vaginalis)
any infection caused by parasitic protozoa of the genus Trichomonas
Word Origin
C19: New Latin; see trichomonad, -iasis
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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Word Origin and History for trichomoniasis

1915, from tricho-, Latinized form of Greek trikho-, comb. form of thrix (genitive trikhos) "hair" + -monas + -iasis. Coined 1836 in French.

Online Etymology Dictionary, © 2010 Douglas Harper
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trichomoniasis in Medicine

trichomoniasis trich·o·mo·ni·a·sis (trĭk'ə-mə-nī'ə-sĭs)
n. pl. trich·o·mo·ni·a·ses (-sēz')

  1. A vaginal inflammation caused by a trichomonad (Trichomonas vaginalis) and resulting in a refractory discharge and itching.

  2. An infection caused by trichomonads, as a disease of cattle that commonly results in infertility or abortion in infected cows.

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