trichiasis

noun tri·chi·a·sis \tri-ˈkī-ə-səs\

Definition of TRICHIASIS

: a turning inward of the eyelashes often causing irritation of the eyeball

Late Latin, from Greek, from trich- + -iasis

First Known Use: 1661

Medical Dictionary

noun tri·chi·a·sis \trik-ˈī-ə-səs\

: a turning inward of the eyelashes often causing irritation of the eyeball

Next Word in the Dictionary: -trichiesPrevious Word in the Dictionary: -trichiAll Words Near: trichiasis

What made you want to look up trichiasis? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears