无限小 Traditional 無限小 wú xiàn xiǎo 🔊 infinitesimal + Review this word Meanings wú xiàn xiǎo 無限小 infinitesimalinfinitely small Its characters 无wúnot to haveHSK 4限xiànto limitHSK 6小xiǎosmall; youngHSK 1 Words with 无限小 无限小数 wú xiàn xiǎo shù infinitesimal