Last Updated
：2025/11/20
stereoisomerism
IPA(Pronunciation)
Noun
countable
uncountable
(chemistry)
A
form
of
isomerism
in
which
atoms
are
arranged
differently
about
a
chiral
centre
(or
centre
of
asymmetry).
They
exhibit
optical
activity,
and
in
a
molecule
with
a
single
chiral
centre
the
two
isomers
(enantiomers)
are
mirror
images
of
each
other
whereas
in
a
molecule
with
multiple
chiral
centres
the
isomers
(diastereoisomers)
are
not
normally
mirror
images.
Japanese Meaning
化学用語。原子が非対称中心（または非対称性の中心）の周りに異なる配置をとることで生じる異性体現象。単一の不斉中心を持つ分子では鏡像異性体が形成され、多数の不斉中心を持つ分子では非鏡像異性体（ジアステレオ異性体）が現れる。
Sense（1）
(chemistry)
A
form
of
isomerism
in
which
atoms
are
arranged
differently
about
a
chiral
centre
(or
centre
of
asymmetry).
They
exhibit
optical
activity,
and
in
a
molecule
with
a
single
chiral
centre
the
two
isomers
(enantiomers)
are
mirror
images
of
each
other
whereas
in
a
molecule
with
multiple
chiral
centres
the
isomers
(diastereoisomers)
are
not
normally
mirror
images.
（ plural ）
Quizzes for review
(chemistry) A form of isomerism in which atoms are arranged differently about a chiral centre (or centre of asymmetry). They exhibit optical activity, and in a molecule with a single chiral centre the two isomers (enantiomers) are mirror images of each other whereas in a molecule with multiple chiral centres the isomers (diastereoisomers) are not normally mirror images.
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See correct answer
stereoisomerism
Stereoisomerism can dramatically alter a molecule's pharmacological properties, because enantiomers may bind differently to chiral targets.
See correct answer
Stereoisomerism can dramatically alter a molecule's pharmacological properties, because enantiomers may bind differently to chiral targets.
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