" /> Radian - CISMeF





Preferred Label : Radian;

NCIt related terms : rad;

NCIt definition : A SI-derived unit of plane angle measurement defined and named by James Thomson in 1873. One radian is the plane angle between two radii of a circle that cuts off on the circumference an arc equal in length to the radius. There are 2pi radians in a complete circle. SI units: m/m 1.;

Codes from synonyms : 12844;

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31/07/2025


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