[ trih-kahy-uh-sis ]
/ trɪˈkaɪ ə sɪs /

noun Pathology.

a condition in which the eyelashes grow inwardly.

Origin of trichiasis

1655–65; < Late Latin < Greek trichíāsis. See trich-, -iasis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trichiasis

British Dictionary definitions for trichiasis


/ (trɪˈkaɪəsɪs) /

noun pathol

an abnormal position of the eyelashes that causes irritation when they rub against the eyeball
the presence of hairlike filaments in the urine

Word Origin for trichiasis

C17: via Late Latin from Greek trikhiasis, from thrix a hair + -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

Medicine definitions for trichiasis


[ trĭ-kīə-sĭs ]


A condition in which the hair adjacent to a natural opening turns inward and causes irritation, as in the inward turning of the eyelashes upon the eye.

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