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1
Pronunciation
2
Noun
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2.1
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radian
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Pronunciation
[
change
]
IPA
(
key
)
:
/ˈreɪdiən/
Audio (UK)
(
file
)
Noun
[
change
]
Singular
radian
Plural
radians
(
countable
) (
geometry
) We sometimes
measure
an
angle
using
radians
. All the way around a circle is 2
π
radians
.
Related words
[
change
]
radius
degree
Categories
:
Nouns
Countable nouns
Geometry
Circle
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