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filtergram
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English
edit
Etymology
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From
filter
+
-gram
.
Noun
edit
filtergram
(
plural
filtergrams
)
(
astronomy
)
A
photograph
of the
sun
at a particular
frequency
range
(by means of a variable
filter
).
Categories
:
English terms suffixed with -gram
English lemmas
English nouns
English countable nouns
en:Astronomy
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