Medical Dictionary

aphtha

noun aph·tha \ˈaf-thə, ˈap-thə\
plural aph·thae also ap·thae \-ˌthē\

Medical Definition of APHTHA

1
:  a speck, flake, or blister on the mucous membranes (as in the mouth or gastrointestinal tract or on the lips) characteristic of some diseases (as thrush)
2
:  one of the vesicles filled with clear serous fluid that occur in the mouth, on the udder, and in the spaces between the digits of cloven-footed animals in some diseases—usually used in plural
3
:  a disease (as foot-and-mouth disease) characterized by aphthae
aph·thic \-thik\ adjective

Variants of APHTHA

aph·tha also ap·tha \ˈap-\

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears