I. ˈrā-dē-ˌāt verb
( -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
II. ˈrā-dē-ət, -ˌāt adjective
Date: 1668
: having rays or radial parts: as
a. : having ray flowers
b. : characterized by radial symmetry : radially symmetrical
• ra·di·ate·ly adverb