'Comedones' definitions:

Definition of 'Comedones'

From: GCIDE
  • Comedo \Com"e*do\, n.; pl. Comedones. [L., a glutton. See Comestible.] (Med.) A small nodule or cystic tumor, common on the nose, etc., which on pressure allows the escape of a yellow wormlike mass of retained oily secretion, with a black head (dirt). [1913 Webster]