Radiate v. i. : To emit rays; to be radiant; to shine.

Radiate v. i. : To proceed in direct lines from a point or surface; to issue in rays, as light or heat.

Radiate v. t. : To emit or send out in direct lines from a point or points; as, to radiate heat.

Radiate v. t. : To enlighten; to illuminate; to shed light or brightness on; to irradiate.

Radiate a. : Having rays or parts diverging from a center; radiated; as, a radiate crystal.

Radiate a. : Having in a capitulum large ray florets which are unlike the disk florets, as in the aster, daisy, etc.

Radiate a. : Belonging to the Radiata.

Radiate n. : One of the Radiata.

Example:
What causes objects to Radiate different kinds of electromagnetic radiation?

Taxonomy
rays, Merriam-Webster Online Dictionary, Dictionary, webster, ra, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, glossary, english, language, ESL, Search, 1ra, Inflected, Etymology, Latin, radiatus.

Defination from the web:
radiate from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "radiate" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this page: Products ...