'Erythema' definitions:

Definition of 'erythema'

From: WordNet
noun
Abnormal redness of the skin resulting from dilation of blood vessels (as in sunburn or inflammation)

Definition of 'Erythema'

From: GCIDE
  • Erythema \Er`y*the"ma\, n. [NL., fr. Gr. ?, fr. ? to redden, fr. 'eryqro`s red.] (Med.) A disease of the skin, in which a diffused inflammation forms rose-colored patches of variable size. [1913 Webster]