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radian
[ rey-dee-uhn ]
noun
- the measure of a central angle subtending an arc equal in length to the radius: equal to 57.2958°. : rad
radian
/ ˈɪɪə /
noun
- an SI unit of plane angle; the angle between two radii of a circle that cut off on the circumference an arc equal in length to the radius. 1 radian is equivalent to 57.296 degrees and π/2 radians equals a right angle rad
radian
/ ′ŧ-ə /
- A supplementary unit of the International System used in angular measure. One radian is equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57°17′44.6″.
51Թ History and Origins
Origin of radian1
Example Sentences
He was diagnosed with radial tunnel syndrome and underwent a procedure to decompress the radian nerve in his right arm that July.
A representative of the former star of “Glee” said Saturday that Reich, president of clothing company AYR, proposed with a 4-carat elongated radian cut ring that he personally helped design.
One big thing tau fixes is radian angles.
You mention the regrettable practice of referring to torque units in joules per radian.
For example, radians could be made a new SI unit, and the unit 1 could be formally coupled with notation that includes the type of quantity that it represents.
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