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rad
1[rad]
noun
a unit of absorbed dose of radiation equal to 0.01 gray: not a standard SI unit, the rad is still used, especially in the U.S., but it is increasingly disfavored.
rad
2[rad]
noun
Informal.a radical, especially a person with extreme views on political and social issues.
adjective
Slang.excellent; wonderful; cool.
a high speed, high energy, totally rad racing game.
rad
3[rad]
abbreviation
radian; radians.
rad.
4abbreviation
radical.
radix.
rad
1/ æ /
noun
a former unit of absorbed ionizing radiation dose equivalent to an energy absorption per unit mass of 0.01 joule per kilogram of irradiated material. 1 rad is equivalent to 0.01 gray
rad
2symbol
radian
rad.
3abbreviation
radical
radius
rad
A unit used to measure energy absorbed by a material from radiation. One rad is equal to 100 ergs per gram of material. Many scientists now measure this energy in grays rather than in rads.
Word History and Origins
Origin of rad1
Origin of rad2
Origin of rad3
Word History and Origins
Origin of rad1
Example Sentences
Hahn: This woman had been working with Marvel and “Agatha,” and so she was kind of sent my way, and then I kept working with her, and she’s rad.
No doubt “dropping in” and “chasing stoke” for eternity would be “rad.”
It’s just a rad place to be in.
So if I could sleep in until 9 a.m. or 9:30 a.m., that would be rad.
Here are three potential itineraries for three different kinds of rad dads: those who love the great outdoors, fall head over heels for food and dig the arts.
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