Definition of Rad

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

Generic synonyms: Radioactivity Unit



2. 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).
Exact synonyms: Radian
Generic synonyms: Angular Unit
Terms within: Milliradian

Definition of Rad

1. Initialism. (computing) Rapid Application Development. ¹

2. Abbreviation. (geometry) radian ¹

3. Abbreviation. (context: automotive plumbing slang) radiator ¹

4. Adjective. (slang) excellent, short for radical ¹

5. Noun. (metrology) A non-SI unit of absorbed dose of radiation, equal to 0.01 gray. ¹

¹ Source: wiktionary.com

Definition of Rad

1. to fear [v RADDED, RADDING, RADS] - See also: fear

Medical Definition of Rad

1. A unit of absorbed dose: One rad is 0.01 Joule absorbed per kilogram of any material. (Also defined as 100 ergs per gram and written rad). It is being replaced by the gray (Gy). One rad equals one hundredth of a gray. (16 Dec 1997)

Rad Pictures

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Lexicographical Neighbors of Rad

racoons
racquet
racquet-tail
racquet-tails
racquet hypha
racquet sports
racquetball
racquetballer
racquetballers
racquetless
racquetlike
racquets
ractopamine
racy
rad (current term)
rad.
rada
radande
radar
radar astronomy
radar beacon
radar dome
radar domes
radar echo
radar fire
radar gun
radar image
radar images
radar meteorology

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