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phenetic

American  
[fi-net-ik] / fɪˈnɛt ɪk /

adjective

Biology.
  1. pertaining to or based on the observable similarities and differences between organisms without regard to assumed genealogy.


Etymology

Origin of phenetic

1960; phen- (extracted from phenotype, or directly from Greek phaínein “to show”; cf. pheno-) + -etic, perhaps on the model of phyletic or phylogenetic ( def. )