rad
abbreviation
[ rad ]
• radian(s).
rad
noun
• a political radical.
Origin:
early 19th century: abbreviation.
rad
noun
• a unit of absorbed dose of ionizing radiation, corresponding to the absorption of 0.01 joule per kilogram of absorbing material.
Origin:
early 20th century: acronym from radiation absorbed dose .
rad
adjective
• excellent; impressive.
• "his style is so rad"
Origin:
1980s: probably an abbreviation of radical.
rad
noun
• short for radiator.
RAD
abbreviation
• (in the UK) Royal Academy of Dance.
