irradiate

irradiate [ir rā′dēāt΄, i rā′dēāt΄; ] for adj., usually [, i rā′dēit]

vt.

irradiated, irradiating [< L irradiatus, pp. of irradiare, to beam upon, illumine: see IN-¹ & RADIATE]

1. to shine or throw light upon; light up; make bright

2. to make clear; illuminate intellectually; enlighten

3. to radiate; diffuse; spread; give out

4. to expose to or treat by exposing to X-rays, ultraviolet rays, radium, or some other form of radiant energy

5. to heat with radiant energy

vi.

1. to emit rays; shine

2. to become radiant

adj.

lighted up; irradiated

irradiative

adj.

irradiator

n.