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rad

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Quick answer

As a noun, rad means a non-SI unit of absorbed dose of radiation, equal to 0.01 gray.

Meanings of rad

3 meanings

adjective

Clipping of radical; excellent

noun

  1. metrologyA non-SI unit of absorbed dose of radiation, equal to 0.01 gray.

  2. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material

  3. 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

Abbreviation of radian.
Abbreviation of radiator.
Abbreviation of sight radius.

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

noun: the unit of plane angle adopted under the Systeme Interna…
radian

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