noun, plural: erythemas
Abnormal reddening of the skin, especially due to capillary dilation and congestion.
The occurrence of erythema often indicates inflammation or infection. It may also be caused by sunburn, chemical irritation, waxing and plucking of hairs, allergies, exercise, etc.
Word origin: Greek eruthēma, from eruthainein, to redden, be red, from eruthros, red.
Related forms: erythematous (adjective)