noun🔗ShareRadiantIn the International System of Units, the derived unit of plane angular measure of angle equal to the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle. Symbol: rad"The pizza slice measured an angle of 0.5 radians, meaning the crust's length was half the pizza's radius. "Der Pizzaschnitt maß einen Winkel von 0,5 Radiant, was bedeutet, dass die Krustenlänge die Hälfte des Pizzaradius betrug.mathphysicstechnicalunitChat with AIVocabulary GamePractice Reading