nounpl. ex·an·them·a·ta or ex·an·the·mas also ex·an·thems
- A skin eruption accompanying certain infectious diseases.
- A disease, such as measles or scarlet fever, accompanied by a skin eruption.
Origin of exanthemaLate Latin exanth&emacron;ma, from Greek, eruption, from exanthein, to burst forth : ex-, ex- + anthein, to blossom (from anthos, flower).
- ex·an′the·mat′ic , ex′an·them′a·tous
(plural exanthemas or exanthemata)
- Alternative spelling of exanthem.