In anthropology, leiotrichi describes the races of people distinguished by their smooth hair. Races with hair that is not smooth were termed ulotrichi. ... Found on http://en.wikipedia.org/wiki/Leiotrichi
Lei·ot'ri·chi (-kī) noun plural [ New Latin , from Greek lei^os smooth + qri`x , tricho`s , hair.] (Anthropol.) The division of mankind which embraces the smooth-haired races. Found on http://www.encyclo.co.uk/webster/L/28
Leiotrichi The division of mankind which embraces the smooth-haired races. In anthropology, a description of the races of people distinguished by their smooth hair. Races with hair that is not smooth are referred to as Ulotrichi. Found on http://www.wordinfo.info/words/index/info/view_unit/2179/3