rad
part of speech
adjective (rad — slang); noun (a rad, rads — science, rare); abbreviation (rad)
meaning for a pupil
1) (slang, mainly US and Australia) Rad means really cool or great: «That skateboard trick was rad!» tree →
2) (science) A rad is an old unit for measuring how much radiation something has absorbed. tree →
3) (maths) rad is short for radian, a unit for measuring angles used in higher maths. tree →
4) (UK, informal) A rad can be short for a radiator. tree →
sense in the lessons
In everyday talk, especially among skaters and surfers or in old cartoons, «rad» means awesome; it can sound a bit retro now. In maths and science, «rad» is an abbreviation you meet later in secondary school. In a story, «rad» shows a cool, casual character. Phrases: «totally rad», «that's rad».
examples
- (slang) That's so rad! tree →
- (slang) He did a totally rad jump on his BMX. tree →
- (slang) Your new shoes are rad. tree →
- (maths) A full circle is about 6.28 rad. tree →
- (science) Doctors once measured radiation doses in rads. tree →
- (UK, informal) Put your wet socks on the rad to dry. tree →
note
Slang «rad» is short for «radical». Informal; not for formal writing. The maths and science meanings are abbreviations; read «rad» as «radians» or «rads». Do not confuse with «red».
Trees and pragmatics
Every meaning and example of «rad» parsed by Mova, each sentence with its dependency tree and frames.