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Noun
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1.1
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actinometer
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From Wiktionary
Noun
[
change
]
Singular
actinometer
Plural
actinometers
(
countable
) An
actinometer
is a
device
that is used to measure how much
electromagnetic radiation
something has.
Related words
[
change
]
meter
Categories
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Nouns
Countable nouns