from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The compulsion to tear or pluck out the hair on one's head and face and often to ingest it.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a medical disorder in which the patient compulsively pulls his/her own hair out.
from The Century Dictionary and Cyclopedia
- n. The habit of continually pulling out hairs from the beard, at the nasal orifices, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an irresistible urge to pull out your own hair
tricho- + Greek tillein, to pluck hair + -mania.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek θρίξ (thriks, "hair") (genitive: τριχός (trikhos)) + τίλλω (tillō, "I pull out, pluck") + μανία (mania, "madness"). (Wiktionary)