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rad
/ræd/
Synonyms of rad Antonyms of rad Examples of rad Usage of rad Parts of rad Definition that contains rad Words sounding like rad Explanation of rad

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Definitions of rad
  1. noun
    the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)

    Similar: 

    radian
    type of:
    angular unit
  2. noun
    a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
Antonyms of rad

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