せいかんせんしょう 性感染症 LinksSentence search for 性感染症Sentence search for せいかんせんしょうKanji details for 性, 感, 染 and 症Edit in JMdict Noun1. sexually transmitted disease; sexually transmitted infection; STD; STIMedicine, See also 性行為感染症 Discussions Log in to talk about this word.