mongoloidyoudaoicibaDictYouDict[mongoloid 词源字典]
in reference to the genetic defect causing mental retardation (mongolism), 1899, from Mongoloid. So called for facial appearance. See Down's Syndrome. Such people were called Mongolian from 1866.[mongoloid etymology, mongoloid origin, 英语词源]
MongoloidyoudaoicibaDictYouDict
1868 as a racial designation, from Mongol + -oid.