onychotillomania

[ŏn′ĭ-kŏt′l-ō-mānē-ə, -mānyə, ŏn′ĭ-kō-tĭl′ə-]

n.

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.