racial

from WordNet (r) 3.0 (2006)

racial
    adj 1: of or related to genetically distinguished groups of
           people; "racial groups"
    2: of or characteristic of race or races or arising from
       differences among groups; "racial differences"; "racial
       discrimination" [ant: {nonracial}]

from The Collaborative International Dictionary of English v.0.48

Racial \Ra"cial\ (r[=a]"shal), a.
   Of or pertaining to a race or family of men; as, the racial
   complexion.
   [1913 Webster]