onychosis
/ˌɑnɪˈkoʊsɪs/
noun
- Any disease or abnormal condition of the fingernails or toenails.
- Onychosis can be caused by fungal infections, injuries, or nutritional deficiencies.
- He noticed discoloration and brittleness, signs of onychosis, on his toenails.
- The doctor diagnosed her onychosis and recommended a special cream.