transcription, транскрипция: [ reɪdiəs ]
( radii /reɪdiaɪ/ )
1.
The radius around a particular point is the distance from it in any direction.
Nigel has searched for work in a ten-mile radius around his home.
N-SING : with supp
2.
The radius of a circle is the distance from its centre to its outside edge.
He indicated a semicircle with a radius of about thirty miles.
N-COUNT