gingivitis
noun/ˌdʒɪndʒɪˈvaɪtɪs/
/ˌdʒɪndʒɪˈvaɪtɪs/
[uncountable] (medical)- a condition in which the gums around the teeth become painful, red and swollen (= larger or rounder than normal)
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gingivitis
Definition of gingivitis noun from the Oxford Advanced Learner's Dictionary