1

rad

noun \ ˈrad \
Updated on: 14 Nov 2017

Definition of rad

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

Recent Examples of rad from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rad.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of rad

radiation absorbed dose


2

rad

adjective

Definition of rad

slang
: cool 7, radical

Recent Examples of rad from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rad.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of rad

1982


3

rad

abbreviation

Definition of rad

1 radian
2 radius
3 radix

RAD Defined for English Language Learners

rad

adjective

Definition of rad for English Language Learners

  • : very appealing or good


Medical Dictionary

rad

noun \ ˈrad \

medical Definition of rad

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

rad

abbreviation

medical Definition of rad

root used in writing prescriptions

Origin and Etymology of rad

Latin radix



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