Dictionary

1rad

noun \ˈrad\

Definition of RAD

:  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

2rad

adjective

: very appealing or good

Full Definition of RAD

slang
:  cool 7, radical

First Known Use of RAD

1982

3rad

abbreviation

Definition of RAD

1
radian
2
radius
3
radix

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