|Origin:||, past participle of radiare, from radius; RADIUS|
1 [intransitive and transitive]
if someone radiates a feeling, or if it radiates from them, it is very easy to see that this is how they feel:
He radiated calm confidence.
Kindness radiated from her.
2 [intransitive always + adverb/preposition, transitive]TPDN
if something radiates light or heat, or if light or heat radiates from something, the light or heat is sent out in all directions:
The log fire radiated a warm cosy glow.
Heat radiated from the glowing coals.
3 [intransitive always + adverb/preposition]
if things radiate from a central point, they spread out in different directions from that point
There were tiny lines radiating from the corners of her eyes.