er·y·the·ma (ěr'ə-thē'mə) n. Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection.
[Greek eruthēma, from eruthainein, to redden, be red, from eruthros, red; see reudh- in Indo-European roots.] er'y·them'a·tous (-thěm'ə-təs, -thē'mə-), er'y·the·mat'ic (-māt'ĭk), er'y·the'mic adj.
erythema er·y·the·ma (ěr'ə-thē'mə) n. Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection.