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onychotillomania in Medicine

onychotillomania

(ŏn′ĭ-kŏt′l-ō-mānē-ə, -mānyə, ŏn′ĭ-kō-tĭl′ə-)
n.
  1. A tendency to pick at the fingernails or toenails.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.