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

 

gingivitis

 noun
noun
BrE BrE//ˌdʒɪndʒɪˈvaɪtəs//
 
; NAmE NAmE//ˌdʒɪndʒɪˈvaɪtəs//
 
[uncountable](medical)
 
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a condition in which the gums around the teeth become painful, red and swollen
See the Oxford Advanced American Dictionary entry: gingivitis