Definition of optical activity
n.
1.
(Chem.)
the
ability
of
a
chemical
compound
to
rotate
the
plane
of
plane-polarized
light
.
This
is
found
only
in
chemicals
whose
molecular
structure
does
not
have
a
plane
of
symmetry
,
and
is
common
in
biochemical
compounds
.
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Opprobrium
Opprobry
Oppugn
Oppugnancy
Oppugnant
Oppugnation
Oppugner
Opsimathy
Opsiometer
Opsonation
Optable
Optate
Optation
Optative
Optative mood
Optatively
Optic
Optic angle
Optic axis
Optic axis of a crystal
optical cable
Optical circle
optical fiber
optical isomerism
Optical parallax
Optical square
Optically
Optically active
Optically positive
Optician
Optics
Optigraph
Optimacy
optimal
Optimate
Optimates
Optime
optimise
Optimism
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