rad

n. unit of measure for absorbed radiation

adj. cool, awesome, impressive (Slang)

set of program development tools that enable programmers to develop software as a system of components that can be updated quickly and easily to adapt to new technologies (Computers)

Rad may mean: JESSRad (unit), a unit of radiation doseRad (film), a 1986 release about a young BMX riderRad (musical artist) Rad, Rose Ann DimalantaRad (village) in Trebišov District, SlovakiaRadian, a unit of angleRadical in various extreme sportsRadiatorFK Rad, a Serbian football clubAn abbreviation for RadicalRad, a character in My-OtomeRad, an abbreviation for the word, radical.Rad (Transformers), several fictional characters in the Transformers toy line.
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Rad r adiation a bsorbed d ose: a unit of measurement of the absorbed dose of ionizing radiation, corresponding to an energy transfer of 100 ergs [more]Rad - Community and Resources

Noun
1. a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
(hypernym) radioactivity unit
2. 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)
(synonym) radian
(hypernym) angular unit
(part-meronym) milliradian

n. wheel, circle which revolves on an axis; (Sang) bike, bicycle