stomatitisPronunciation: /ˌstəʊməˈtʌɪtɪs, ˌstɒ-/Definition of stomatitis noun [mass noun] Medicine inflammation of the mucous membrane of the mouth. Origin: mid 19th century: modern Latin, from stoma, stomat- 'mouth' + -itisstomatitis in other Oxford dictionaries Definition of stomatitis in the US English dictionary
