adj illuminated; irradiated.
2. irradiate ·vt to animate by heat or light.
3. irradiate ·vt to radiate, shed, or diffuse.
4. irradiate ·vi to emit rays; to shine.
5. irradiate ·vt to enlighten intellectually; to illuminate; as, to irradiate the mind.
6. irradiate ·vt to throw rays of light upon; to illuminate; to brighten; to adorn with luster.