The study of methods of improving genetic qualities by selective breeding (especially as applied to human mating) WordNet 3.0 & Open English WordNet

Eugenics is a set of beliefs and practices that aim to improve the genetic quality of a human population. Wikipedia

A social philosophy which advocates the improvement of human hereditary traits through various forms of intervention Wikipedia Disambiguation

A set of beliefs and practices that aim to improve the genetic quality of a human population, historically by excluding people and groups judged to be inferior and promoting those judged to be superior Wikidata

The study of hereditary improvement of the human race by controlled selective breeding. OmegaWiki

A social philosophy or practice which advocates the improvement of human hereditary qualities through selective breeding, either by encouraging people with good genetic qualities to reproduce (positive eugenics), or discouraging people with bad genetic qualities from reproducing (negative eugenics), or by technological means. Wiktionary

Social philosophy. Wiktionary (translation)