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Webster 1828 Edition

Noun.

plu.

exanthem'ata. [Gr. to blossom; a flower.]

Among physicians, eruption; a breaking out; pustules, petechiae, or vibices; any efflorescence on the skin, as in measles, small pox, scarlatina, &c.

This term is now limited by systematic nosologists, to such eruptions as are accompanied with fever.

exanthema ‎(plural exanthemas or exanthemata)