優ゆう生せいTop 35000MeaningsNoun1. eugenicsKanji used優gentle生lifePitch accentゆうせいUsed in vocabulary優ゆう生せい保ほ護ご法ほうEugenic Protection ActNoun優ゆう生せい学がくeugenicsNoun優ゆう生せい結けっ婚こんeugenic marriageNoun優ゆう生せい手しゅ術じゅつeugenic sterilization; eugenic sterilisationNoun優ゆう生せい思し想そうeugenic thought; idea of eugenicsNoun