[ on-i-koh-fey-juh, -jee-uh ]
/ ˌɒn ɪ koʊˈfeɪ dʒə, -dʒi ə /
the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
Origin of onychophagia
Related formson·y·choph·a·gist [on-uh-kof-uh-jist] /ˌɒn əˈkɒf ə dʒɪst/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019