v.
Pronunciation: ' r ā -d ē - ˌ ā t
Function: verb
Inflected Form: -at · ed ; -at · ing
Etymology: Latin radiatus, past participle of radiare, from radius ray
Date: circa 1619
intransitive verb
1 : to proceed in a direct line from or toward a center
2 : to send out rays : shine brightly
3 a : to issue in or as if in rays b : to evolve by adaptive radiation
transitive verb
1 : to send out in or as if in rays
2 : IRRADIATE , ILLUMINATE
3 : to spread abroad or around as if from a center