Dictionary

irradiate

verb ir·ra·di·ate \i-ˈrā-dē-ˌāt\

: to expose (someone or something) to radiation

ir·ra·di·at·edir·ra·di·at·ing

Full Definition of IRRADIATE

transitive verb
1
a :  to cast rays of light upon :  illuminate
b :  to enlighten intellectually or spiritually
c :  to affect or treat by radiant energy (as heat); specifically :  to treat by irradiation
2
:  to emit like rays of light :  radiate <irradiating strength and comfort>
intransitive verb
archaic :  to emit rays :  shine
ir·ra·di·a·tive \-ˌā-tiv\ adjective
ir·ra·di·a·tor \-ˌā-tər\ noun

Examples of IRRADIATE

  1. The food was irradiated to kill any germs.
  2. <the light from a galaxy of flashing signs irradiates the heart and soul of Las Vegas>

Origin of IRRADIATE

Latin irradiatus, past participle of irradiare, from in- + radius ray
First Known Use: 1603

Rhymes with IRRADIATE

abbreviate, abominate, accelerate, accentuate, accommodate, acculturate, accumulate, adjudicate, adulterate, affiliate, agglomerate, alienate, alleviate, alliterate, amalgamate, ameliorate, amyl nitrate, annihilate, annunciate, anticipate, apostolate, appreciate, appropriate, approximate, arpeggiate, articulate, asphyxiate, assassinate, asseverate, assimilate, associate, at any rate, attenuate, authenticate, barbiturate, bicarbonate, calumniate, capacitate, capitulate, catholicate, certificate, coagulate, coelenterate, collaborate, commemorate, commiserate, communicate, compassionate, concatenate, conciliate, confabulate, confederate, conglomerate, congratulate, consolidate, contaminate, cooperate, coordinate, corroborate, deactivate, debilitate, decapitate, decelerate, decerebrate, deconcentrate, deconsecrate, decorticate, decrepitate, de-escalate, defibrinate, defoliate, degenerate, deliberate, delineate, demodulate, denominate, depopulate, depreciate, deracinate, deregulate, desegregate, desiderate, detoxicate, devaluate, diaconate, dilapidate, discriminate, disintegrate, disseminate, dissimulate, dissociate, domesticate, effectuate, ejaculate, elaborate, electroplate, eliminate, elucidate, emaciate, emancipate, emasculate, encapsulate, enumerate, enunciate, episcopate, equivocate, eradicate, etiolate, evacuate, evaluate, evaporate, eventuate, eviscerate, exacerbate, exaggerate, exasperate, excited state, excogitate, excoriate, exfoliate, exhilarate, exonerate, expatiate, expatriate, expectorate, expostulate, expropriate, extenuate, exterminate, extrapolate, facilitate, felicitate, fish or cut bait, garrison state, gesticulate, habilitate, habituate, hallucinate, humiliate, hydrogenate, hypothecate, illuminate, impersonate, inactivate, inaugurate, incarcerate, incinerate, incorporate, incriminate, indoctrinate, inebriate, infatuate, infuriate, ingratiate, ingurgitate, initiate, inoculate, inseminate, insinuate, instantiate, intercalate, interpolate, interrelate, interrogate, intimidate, intoxicate, invalidate, investigate, invigorate, Italianate, Korea Strait, lanceolate, legitimate, luxuriate, mandarinate, manipulate, matriarchate, matriculate, Merthiolate, necessitate, negotiate, noncandidate, obliterate, officiate, Orange Free State, orientate, originate, oxygenate, participate, particulate, patriarchate, patriciate, perambulate, peregrinate, perpetuate, pontificate, precipitate, predestinate, predominate, prefabricate, premeditate, preponderate, prevaricate, procrastinate, prognosticate, proliferate, propitiate, proportionate, quadruplicate, quintuplicate, reciprocate, recriminate, recuperate, redecorate, reduplicate, reeducate, refrigerate, regenerate, regurgitate, reincarnate, reintegrate, reiterate, rejuvenate, remunerate, repatriate, repudiate, resuscitate, retaliate, reticulate, revaluate, reverberate, scholasticate, second estate, self-flagellate, self-immolate, self-pollinate, seventy-eight, sextuplicate, Singapore Strait, sophisticate, subordinate, substantiate, syllabicate, tergiversate, transliterate, triangulate, vanity plate, variegate, vaticinate, vituperate, vociferate
IRRADIATING Defined for Kids

irradiate

verb ir·ra·di·ate \i-ˈrā-dē-ˌāt\
ir·ra·di·at·edir·ra·di·at·ing

Definition of IRRADIATE for Kids

1
:  to cast rays of light on
2
:  to treat by exposure to radiation (as X-rays)
Medical Dictionary

irradiate

transitive verb ir·ra·di·ate \ir-ˈād-ē-ˌāt\
ir·ra·di·at·edir·ra·di·at·ing

Medical Definition of IRRADIATE

:  to affect or treat by radiant energy (as heat); specifically :  to treat by exposure to radiation (as ultraviolet light or gamma rays)

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