onychotillomania

[医] 剔甲癖

释义与例句

n.
  1. 1.

    A compulsion for picking and tearing at one's fingernails or toenails.

    不可数

词源

From Ancient Greek ὄνυξ (ónux, “nail”) (compare onycho-) + τίλλω (tíllō, “to pluck”) + -mania.

来源：wiktionary