irradiate

(-āt′; for adj., usually, -it)

to shine or throw light upon; light up; make bright
to make clear; illuminate intellectually; enlighten
to radiate; diffuse; spread; give out
to expose to or treat by exposing to X-rays, ultraviolet rays, radium, or some other form of radiant energy
to heat with radiant energy

Origin: < L irradiatus, pp. of irradiare, to beam upon, illumine: see in- & radiate

intransitive verb

adjective

lighted up; irradiated

Related Forms:

See irradiate in American Heritage Dictionary 4

verb ir·ra·di·at·ed, ir·ra·di·at·ing, ir·ra·di·ates

verb, transitive

a. To expose to radiation.
b. To treat with radiation: irradiate farm produce so as to destroy bacteria.
To shed light on; illuminate.
To manifest in a manner suggesting the emission of light; radiate: irradiate goodness.

verb, intransitive
Archaic