noun \ˌtrik-ə-mə-ˈnī-ə-səs\
plural tricho·mo·ni·a·ses \-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

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