trichomoniasis

noun

tricho·​mo·​ni·​a·​sis ˌtri-kə-mə-ˈnī-ə-səs 

plural trichomoniases ˌtri-kə-mə-ˈnī-ə-ˌsēz 

: infection with or disease caused by trichomonads: such as

a

: a human sexually transmitted disease occurring especially as vaginitis with a persistent discharge and caused by a trichomonad (Trichomonas vaginalis) that may also invade the male urethra and bladder

b

: a venereal disease of domestic cattle marked by abortion and sterility

c

: one or more diseases of various birds resembling blackhead

Examples of trichomoniasis in a Sentence

Recent Examples on the Web

That could be a sign of an STI such as trichomoniasis, chlamydia, or gonorrhea, or of the infection bacterial vaginosis (BV). —Mara Santilli, SELF, 26 Jan. 2024

The realization that these other specimens had no holes in their jawbones allowed the researchers to outright reject the theory that Sue’s injuries resulted from trichomoniasis. —Sam Walters, Discover Magazine, 4 Oct. 2022

Ultimately, O’Connor and two colleagues used these comparisons to conclude that Sue’s injuries were actually inconsistent with trichomoniasis. —Sam Walters, Discover Magazine, 4 Oct. 2022

Women with trichomoniasis may notice genital itching, burning, redness or soreness, urinary discomfort, and a clear, white, yellowish, or greenish vaginal discharge. —Ashley Cobb, Essence, 12 Aug. 2022

The bulls tested positive for trichomoniasis, or Trich, a venereal disease caused by a protozoa and spread between cattle during breeding, the veterinarian’s office reported Thursday. —Sean P. Means, The Salt Lake Tribune, 12 May 2022

And there are a lot of things that can account for this outside of chlamydia, according to the Cleveland Clinic, including a yeast infection, bacterial vaginosis, gonorrhea, and trichomoniasis. —Rozalynn S. Frazier, SELF, 20 Jan. 2022

There were about 2 million trichomoniasis infections in 2018, according to the CDC. . —Ella Lee, USA TODAY, 8 Sep. 2021

Prices and timelines may vary by test; most kits offer screenings for chlamydia, gonorrhea, hepatitis C, herpes, HIV, syphilis, and trichomoniasis. —Katherine Ellen Foley, Quartz, 29 Sep. 2020

Word History

Etymology

New Latin, from Trichomonas + -iasis

First Known Use

1915, in the meaning defined above

Kids Definition

trichomoniasis

noun

tricho·​mo·​ni·​a·​sis ˌtrik-ə-mə-ˈnī-ə-səs 

plural trichomoniases -ˌsēz 

: an infection of the vagina by a protozoan parasite that is marked by itching and a frothy discharge having a bad odor and that also occurs in the male urethra

Medical Definition

trichomoniasis

noun

tricho·​mo·​ni·​a·​sis ˌtrik-ə-mə-ˈnī-ə-səs 

plural trichomoniases -ˌsēz 

: infection with or disease caused by trichomonads: as

a

: a human sexually transmitted disease occurring especially as vaginitis with a persistent discharge and caused by a trichomonad (Trichomonas vaginalis) that may also invade the male urethra and bladder

b

: a venereal disease of domestic cattle caused by a trichomonad (T. foetus) and marked by abortion and sterility

c

: one or more diseases of various birds caused by trichomonads (especially T. gallinae) and resembling blackhead

called also roup