Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To expose to radiation.
  • transitive v. To treat with radiation: irradiate farm produce so as to destroy bacteria.
  • transitive v. To shed light on; illuminate.
  • transitive v. To manifest in a manner suggesting the emission of light; radiate: irradiate goodness.
  • intransitive v. Archaic To send forth rays; radiate.
  • intransitive v. Archaic To become radiant.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To throw rays of light upon; to illuminate; to brighten; to adorn with luster.
  • v. To enlighten intellectually; to illuminate; as, to irradiate the mind.
  • v. To animate by heat or light.
  • v. To radiate, shed, or diffuse.
  • v. To emit rays; to shine.
  • v. To treat (food) with ionizing radiation in order to destroy bacteria
  • adj. Illuminated; irradiated; made brilliant or splendid.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Illuminated; irradiated.
  • intransitive v. To emit rays; to shine.
  • transitive v. To throw rays of light upon; to illuminate; to brighten; to adorn with luster.
  • transitive v. To enlighten intellectually; to illuminate.
  • transitive v. To animate by heat or light.
  • transitive v. To radiate, shed, or diffuse.
  • transitive v. To expose to radiation of any kind, especially ionizing radiation.

from The Century Dictionary and Cyclopedia

  • To illuminate or shed light upon or into; make luminous or clear; light up; enlighten.
  • To make splendid or glorious; confer honor or dignity upon; exalt; adorn.
  • To radiate into; penetrate by radiation.
  • To emit rays; shine.
  • Illuminated; made brilliant or splendid.
  • To subject to the therapeutic action of the Röntgen or other rays.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. expose to radiation
  • v. cast rays of light upon
  • v. give spiritual insight to; in religion

Etymologies

Latin irradiāre, irradiāt-, to illuminate : in-, on; see in-2 + radiāre, to shine; see radiate.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin irradiatus (Wiktionary)

Examples

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  • My luggage and my spinach may or may have not been given divine qualities.

    December 3, 2008