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Meaning of DIFFRACTION GRATING
Pronunciation:
di'frakshun 'greyting
WordNet Dictionary
Definition:
[n]
optical
device
consisting
of
a
surface
with
many
parallel
grooves
in
it
;
disperses
a
beam
of
light
(
or
other
electromagnetic
radiation
)
into
its
wavelengths
to
produce
its
spectrum
Websites:
Synonyms:
grating
See Also:
echelon
,
optical device
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