Freebase(0.00 / 0 votes)Rate this definition: Tongue. The tongue is a muscular hydrostat on the floors of the mouths of most vertebrates which manipulates food for mastication. It is the primary organ of taste, as much of the upper surface of the tongue is covered in papillae and taste buds.
1. eugenics-the study of methods of improving genetic qualities by selective breeding (especially as applied to human mating). bioscience, life science-any of the branches of natural science dealing with the structure and behavior of living organisms.
Eugenics (/juËËdÊÉnÉªks/; from Greek Îµá½Î³ÎµÎ½Î®Ï eugenes well-born from Îµá½ eu, good, well and Î³Î­Î½Î¿Ï genos, race, stock, kin) is a set of beliefs and practices that aims at improving the genetic quality of a group of individuals. The exact definition of eugenics has been a matter of debate since the term was coined. Frederick Osborn's 1937 journal article Development of a Eugenic Philosophy framed it as a social philosophyâthat is, a philosophy with implications for social order.