twenty-nail dystrophy
Trachonychia affecting all twenty of the fingernails and toenailsTrachonychia affecting all twenty of the fingernails and toenails.
Meaning
1 senses(uncountable)Trachonychia affecting all twenty of the fingernails and toenails.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable