Medical Dictionary

aphtha aph·tha (āf'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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Explore Dictionary.com
Previous Definition: aphrodisiacal
Next Definition: aphthae
Words Near: aphtha
More from Thesaurus.com
Synonyms and Antonyms for aphtha
More from Reference.com
Search for articles containing aphtha
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2015 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature