aphtha

noun plural -thae (-θiː)

a small ulceration on a mucous membrane, as in thrush, caused by a fungal infection

vet science another name for foot-and-mouth disease

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

aphtha

[ăf′thə]

n. pl. aph•thae (-thē′)

A minute painful ulcer on a mucous membrane of the mouth, often covered by a gray or white exudate.