Noun
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
.