四元数 Save Create a free account to save words Traditional (Taiwan): 四元數 sìyuánshù ㄙˋ ㄩㄢˊ ㄕㄨˋ 男 女 quaternion (math.) Character by character 四(sì)four 元(yuán)currency unit 数(shù)number 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