trich·o·mo·ni·a·sis 
(trĭk′ə-mə-nīə-sĭs)
(trĭk′ə-mə-nīə-sĭs)n. pl. trich·o·mo·ni·a·ses (-sēz′)
1. A vaginal infection caused by a trichomonad (Trichomonas vaginalis) and marked by vaginal discharge and itching.
2. An infection caused by trichomonads, as a disease of cattle that commonly results in infertility or abortion in infected cows.
[New Latin Trichomonas, genus name + -IASIS.]