无穷小 Save Sign in to save words Traditional (Taiwan): 無窮小 wúqióngxiǎo ㄨˊ ㄑㄩㄥˊ ㄒㄧㄠˇ infinitesimal infinitely small math. Character by character 无(wú)not to have 穷(qióng)poor 小(xiǎo)small A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0