Home › Words › E › erythemaerythema/ˌɛɹɪˈθiːmə/erythema means abnormal redness and inflammation of the skin, due to vasodilation.erythema is pronounced /ˌɛɹɪˈθiːmə/.EtymologyFrom New Latin erythēma, from Ancient Greek ἐρύθημα (erúthēma, “a redness or flush on the skin”), from ἐρυθρός (eruthrós, “red”).nounAbnormal redness and inflammation of the skin, due to vasodilation.Skin redness from sunburn or chemical irritationDefinitions & examples from Wiktionary (CC BY-SA 3.0).