onychotillomania

== English == === Etymology === From Ancient Greek ὄνυξ (ónux, “nail”) (compare onycho-) + τίλλω (tíllō, “to pluck”) + -mania. === Noun === onychotillomania (uncountable) A compulsion for picking and tearing at one's fingernails or toenails. ==== Related terms ==== dermatillomania trichotillomania ==== Further reading ==== onychotillomania on Wikipedia.Wikipedia