Definition of dermatitis noun from the Oxford Advanced Learner's Dictionary

 

dermatitis

 noun
noun
BrE BrE//ˌdɜːməˈtaɪtɪs//
 
; NAmE NAmE//ˌdɜːrməˈtaɪtɪs//
 
[uncountable](medical)
 
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a skin condition in which the skin becomes red, swollen and sore Word Origin late 19th cent.: from Greek derma, dermat- ‘skin’ + -itis.
See the Oxford Advanced American Dictionary entry: dermatitis