• synonyms


noun plural -thae (-θiː)
  1. a small ulceration on a mucous membrane, as in thrush, caused by a fungal infection
  2. vet science another name for foot-and-mouth disease
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Derived Formsaphthous, adjective

Word Origin for aphtha

C17: via Latin from Greek: mouth-sore, thrush
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for aphtha

Historical Examples of aphtha

  • May not this disease be referred to aphtha, or to dysentery?

    Zoonomia, Vol. II

    Erasmus Darwin

aphtha in Medicine


n. pl. aph•thae (-thē′)
  1. A minute painful ulcer on a mucous membrane of the mouth, often covered by a gray or white exudate.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.