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radian ['reɪdiən] n
avia. рад f
math. радіан m
 English thesaurus
radian ['reɪdiən] abbr.
abbr., opt. rad
abbr., scottish rad (angular measurement)
tech., abbr. radn
Radians n
unit.meas., abbr. R
radian: 2 phrases in 1 subject
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