ex·an·the·ma (ĕg'zăn-thē'mə) also ex·an·them (ĭg-zăn'thəm)
n., pl., -them·a·ta (-thĕm'ə-tə), or -the·mas, also -thems.

1. A skin eruption accompanying certain infectious diseases.
2. A disease, such as measles or scarlet fever, accompanied by a skin eruption.

[Late Latin exanthēma, from Greek, eruption, from exanthein, to burst forth : ex-, ex- + anthein, to blossom (from anthos, flower).]

exanthematic ex·an'the·mat'ic (ĭg-zăn'thə-măt'ĭk) or ex'an·them'a·tous (ĕg'zăn-thĕm'ə-təs) adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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