rad

adjective (rad — slang); noun (a rad, rads — science, rare); abbreviation (rad)

«rad» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

Everyday

(slang, mainly US and Australia) Rad means really cool or great: «That skateboard trick was rad!» tree →
(science) A rad is an old unit for measuring how much radiation something has absorbed. tree →
(maths) rad is short for radian, a unit for measuring angles used in higher maths. tree →
(UK, informal) A rad can be short for a radiator. tree →

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».

On Mova

Trees and pragmatics of «rad» in the school dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
«rad» in the school dictionary on Mova free.

This page in Markdown → https://md.dictionary.elamur.ai/free/en/english/rad/