verb (used with object), ir·ra·di·at·ed, ir·ra·di·at·ing.
verb (used without object), ir·ra·di·at·ed, ir·ra·di·at·ing.
- to emit rays; shine.
- to become radiant.
Origin of irradiate
Examples from the Web for irradiate
Historical Examples of irradiate
Was it a reflection of that which should continue to irradiate it?A Veldt Vendetta
The glory of the greatest of her children will for ever irradiate her and the whole world.Victor Hugo: His Life and Works
G. Barnett Smith
At that quite a new gleam seemed to irradiate his good-looking clay.The Story of Louie
Deeper than tears, these irradiate the tophets with their glad heavens.Tablets
Amos Bronson Alcott
The target may be any substance that the physicist or chemist wants to irradiate.LRL Accelerators
Lawrence Radiation Laboratory
c.1600, "to cast beams of light upon," from Latin irradiatus, past participle of irradiare "shine forth," from assimilated form of in- "into, in" (see in- (2)) + radiare "to shine" (see radiate). Meaning "expose to radiation other than light" (originally X-rays) is from 1901. Related: Irradiated; irradiating.