Meaning of “radiate” - Learner’s Dictionary

radiate

verb uk us /ˈreɪdieɪt/
radiate from/out, etc

to spread out in all directions from a particular point:

A number of roads radiate out from the centre.
EMOTION/QUALITY [ T ]

to show an emotion or quality in your face or behaviour:

His face just radiates happiness.
HEAT/LIGHT [ T ]

to send out heat or light

(Definition of “radiate” from the Cambridge Learner’s Dictionary © Cambridge University Press)