不定元 Save Create a free account to save words bùdìngyuán ㄅㄨˋ ㄉㄧㄥˋ ㄩㄢˊ 男 女 indeterminate element (math.), often denoted by x Character by character 不(bù)no 定(dìng)fix 元(yuán)currency unit Sign up for a free account to save words and review them A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0