Last Updated：2025/11/20
An act of irradiating, or state of being irradiated. / (obsolete) illumination; irradiance; brilliance. / (obsolete, figuratively) mental light or illumination.
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irradiation
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Source Word
irradiation
Noun
countable
uncountable
obsolete
figuratively
Japanese Meaning
照射行為、あるいは照射された状態 / (古語) 照明、輝き / (古語・比喩的) 精神的な啓示、悟り
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(obsolete)
The
apparent
enlargement
of
a
bright
object
seen
upon
a
dark
ground,
due
to
the
fact
that
the
portions
of
the
retina
around
the
image
are
stimulated
by
the
intense
light;
as
when
a
dark
spot
on
a
white
ground
appears
smaller,
or
a
white
spot
on
a
dark
ground
larger,
than
it
really
is,
especially
when
a
little
out
of
focus.
（ plural ）
