乳にゅう腺せん炎えんMeaningsNoun1. mastitisKanji used乳milk腺gland炎intense flamePitch accentにゅうせんえんComposed of乳にゅう腺せんmammary gland; lacteal glandNoun炎えん-itis (indicating an inflammatory disease)SuffixExamples1以い前ぜんに乳にゅう腺せん炎えんをわずらいました。I had mastitis before.