對偶性 Save Sign in to save words Simplified: 对偶性 duìǒuxìng ㄉㄨㄟˋ ㄡˇ ㄒㄧㄥˋ duality math. Character by character 對(duì)right 偶(ǒu)accidental 性(xìng)nature A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0