/ ˈreɪdieɪt; NAmE / verb
1.
if a person radiates a particular quality or emotion, or if it radiates from them, people can see it very clearly :
[ vn ]
He radiated self-confidence and optimism.
[also v ]
2.
if sth radiates heat, light or energy or heat, etc. radiates from it, the heat is sent out in all directions
SYN give (sth) off :
[ v ]
Heat radiates from the stove.
[also vn ]
3.
[ v + adv. / prep. ] ( of lines, etc. ) to spread out in all directions from a central point :
Five roads radiate from the square.
The pain started in my stomach and radiated all over my body.
••
WORD ORIGIN
early 17th cent.: from Latin radiat- emitted in rays, from the verb radiare , from radius ray, spoke.