noun Psychiatry.

a compulsion to pull out one's hair.

Origin of trichotillomania

1900–05; tricho- + Greek tíll(ein) to pluck, pull out + -o- + -mania Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for trichotillomania

1905, from French trichotillomanie (1889), from tricho-, Latinized form of Greek trikho-, comb. form of thrix (genitive trikhos) "hair" + Greek tillesthai "to pull out" + mania.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for trichotillomania


[trĭk′ō-tĭl′ə-mānē-ə, -mānyə]


A compulsion to pull out one's own hair.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.