Last Updated：2025/11/20
(sociology, biology) 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.
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eugenics
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Source Word
eugenics
IPA(Pronunciation)
Noun
uncountable
(sociology,
biology)
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.
Japanese Meaning
優生学：人間の遺伝的資質を向上させることを目的とする社会哲学または実践。具体的には、望ましい遺伝特性を持つ人々に対して生殖を推奨（積極的優生学）、望ましくない特性を持つ人々に生殖を自制させる、または技術的手段によって生殖を制御する（消極的優生学）方法が含まれる。
Sense（1）
(sociology,
biology)
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.
