Subscriber login


Forgot your password?

Library card login

Other

aphtha

Pronunciation: /ˈafθə/
Definition of aphtha

noun (plural aphthae /ˈafθiː/)

Medicine
  • a small ulcer occurring in groups in the mouth or on the tongue.
  • [mass noun] a condition in which aphthae occur.

Derivatives

aphthous

Pronunciation: /ˈafθəs/
adjective

Origin:

mid 17th century: via Latin from Greek, connected with haptein 'set on fire'

aphtha in other Oxford dictionaries

Definition of aphtha in the US English dictionary
  |  Cite
Oxford Dictionaries Pro

For Oxford's best resources for writers, plus thesaurus, audio, and 1.9m examples.

Shop for an Oxford dictionary

Find the perfect Oxford dictionary for you in our online shop.
SHOP NOW ►

Word of the day

logomachy

/ ləˈgɒməki /
noun
an argument about words …