- abnormal redness of the skin due to local congestion, as in inflammation.
- pathol redness of the skin, usually occurring in patches, caused by irritation or injury to the tissue
medical Latin, from Greek erithema, from erythainein “to become red,” from erythros “red” (see red (1)). Related: Erythematous.
- Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection.