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.
- irrational number,
Origin of irradiate
Examples from the Web for irradiate
They exalted the unknown Disraeli out of sheer delight at his Byronic ability to irradiate everything with romance.George Du Maurier, the Satirist of the Victorians|T. Martin Wood
The prophetical books will aid the student, and the Psalms will irradiate certain dark periods.Studies in Old Testament History|Jesse L. Hurlbut
Why should he not be proud of any member of the family who could irradiate the antique obscurity of the Chillingly race?Kenelm Chillingly, Complete|Edward Bulwer-Lytton
Some of this power ought to irradiate from his eye and his voice whenever he crosses the threshold of a sick-room.Psychotherapy|Hugo Mnsterberg
Thus will the perfections of the Deity for ever blaze in the flames of perdition, and irradiate the temple of glory!Female Scripture Biographies, Vol. I|Francis Augustus Cox
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.