exanthematology|ˌɛksænθiːməˈtɒlədʒɪ| [f. as prec.: see -logy.] The doctrine or study of the exanthemata; a treatise on eruptive fevers. [1730–6Bailey (folio), Exanthematologia, an account or treatise of eruptive fevers, the measles and small pox.]1860in Mayne Exp. Lex.1884in Syd. Soc.Lex.