Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
erythematous is an adjective meaning "relating to or characterized by erythema". It carries one recorded sense.
relating to or characterized by erythema
Definitions, synonyms and semantic relations for erythematous come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.