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1

rad

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noun \ˈrad\

Definition of rad

  1. :  a unit of absorbed dose of ionizing radiation equal to an energy of 100 ergs per gram of irradiated material



Origin of rad

radiation absorbed dose


First Known Use: circa 1953

Rhymes with rad


2

rad

adjective

Simple Definition of rad

  • : very appealing or good

Source: Merriam-Webster's Learner's Dictionary

Full Definition of rad

slang

  1. :  cool 7, radical

1982

First Known Use of rad

1982


3

rad

abbreviation

Definition of rad

  1. 1 radian

  2. 2 radius

  3. 3 radix




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