对合 Save Sign in to save words Traditional (Taiwan): 對合 duìhé ㄉㄨㄟˋ ㄏㄜˊ a profit equal to the amount one invested involution math. Character by character 对(duì)right 合(hé)close A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0