The yuan is the base unit of a number of modern chinese currencies. the yuan is the primary unit of account of the renminbi. a yuán (元) is also known colloquially as a kuài (块 "lump", originally of silver). one yuán is divided into 10 jiǎo (角) or colloquially máo (毛 "feather"). one jiǎo is divided into 10 fēn (分).