Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

irradiation

play
noun ir·ra·di·a·tion \i-ˌrā-dē-ˈā-shən\

Definition of irradiation

  1. 1 :  exposure to radiation (as X rays or alpha particles)

  2. 2 :  the application of radiation (as X rays or gamma rays) for therapeutic purposes or for sterilization (as of food); also :  partial or complete sterilization by irradiation



1901

First Known Use of irradiation

1901

Rhymes with irradiation

abbreviation, abomination, acceleration, accentuation, accommodation, accreditation, acculturation, accumulation, actualization, adjudication, administration, adulteration, affiliation, agglomeration, alienation, alleviation, alliteration, amalgamation, amelioration, amplification, anglicization, annihilation, annunciation, anticipation, appreciation, appropriation, approximation, argumentation, articulation, asphyxiation, assassination, asseveration, assimilation, association, atomization, attenuation, authentication, authorization, autoxidation, balkanization, bastardization, beautification, bowdlerization, calcification, canonization, capitulation, centralization, certification, cicatrization, civilization, clarification, classification, coagulation, codification, coeducation, cogeneration, cohabitation, collaboration, colonization, colorization, commemoration, commiseration, communication, concatenation, conciliation, confabulation, confederation, configuration, conglomeration, congratulation, consideration, consolidation, contamination, continuation, cooperation, coordination, corroboration, cross-pollination, crystallization, deactivation, debilitation, decapitation, deceleration, deconsecration, de-escalation, defenestration, defibrillation, deforestation, defragmentation, degeneration, deification, deliberation, delineation, demonization, denomination, denunciation, depopulation, depreciation, deracination, deregulation, desegregation, despoliation, determination, devaluation, digitization, disapprobation, discoloration, discrimination, disembarkation, disinclination, disinformation, disintegration, Disneyfication, dissemination, dissimulation, dissociation, documentation, domestication, dramatization, echolocation, edification, ejaculation, elaboration, elimination, elucidation, emaciation, emancipation, emasculation, enumeration, enunciation, equalization, equivocation, eradication, evacuation, evaluation, evaporation, evisceration, exaggeration, examination, exasperation, exhilaration, exoneration, expropriation, extenuation, extermination, extrapolation, facilitation, falsification, felicitation, feminization, fertilization, feudalization, finalization, Finlandization, formalization, fortification, fossilization, gasification, gentrification, gesticulation, globalization, glorification, gratification, habituation, hallucination, harmonization, humanization, humiliation, hyperinflation, idolization, illumination, imagination, impersonation, implementation, improvisation, inauguration, incarceration, incineration, incorporation, incrimination, indoctrination, inebriation, infatuation, initiation, inoculation, insemination, insinuation, instrumentation, internalization, interpretation, interrelation, interrogation, intimidation, intoxication, invagination, invalidation, investigation, invigoration, itemization, justification, legalization, liberalization, magnetization, magnification, maladaptation, manifestation, manipulation, matriculation, maximization, mechanization, memorization, miscegenation, mobilization, modernization, modification, mortification, multiplication, mystification, nationalization, naturalization, negotiation, normalization, notification, novelization, nullification, obliteration, organization, origination, orientation, ornamentation, ossification, oxygenation, pacification, paralyzation, participation, pasteurization, perambulation, peregrination, perpetuation, personalization, petrification, polarization, pontification, precipitation, predestination, prefabrication, prefiguration, premeditation, preoccupation, preordination, preregistration, prettification, privatization, procrastination, prognostication, proliferation, propitiation, purification, qualification, ramification, randomization, ratification, realization, reciprocation, recombination, recommendation, recrimination, recuperation, redecoration, reduplication, reforestation, refrigeration, regeneration, regimentation, regurgitation, reification, reincarnation, reintegration, reiteration, rejuvenation, remuneration, renunciation, repatriation, representation, republication, repudiation, retaliation, reverberation, sanctification, scarification, sedimentation, sensitization, Serbo-Croatian, signification, simplification, socialization, solicitation, sophistication, specialization, specification, stabilization, standardization, sterilization, stratification, subordination, subpopulation, supplementation, synchronization, systemization, teleportation, tergiversation, transfiguration, transliteration, transvaluation, triangulation, uglification, unification, unionization, urbanization, verification, versification, victimization, vilification, vituperation, vocalization, vulgarization, westernization, x-radiation


IRRADIATION Defined for Kids

irradiation

play
noun ir·ra·di·a·tion \i-ˌrā-dē-ˈā-shən\

Definition of irradiation

  1. :  exposure to radiation




Medical Dictionary

irradiation

play
noun ir·ra·di·a·tion \ir-ˌād-ē-ˈā-shən\

Medical Definition of irradiation

  1. 1a:  the radiation of a physiologically active agent from a point of origin within the body; especially :  the spread of a nervous impulse beyond the usual conduction pathb:  apparent enlargement of a light or bright object or surface when displayed against a dark background

  2. 2a:  exposure to radiation (as ultraviolet light, X-rays, or alpha particles)b:  application of radiation (as X-rays or gamma rays) especially for therapeutic purposes

  3. 3:  irradiance





Seen and Heard

What made you want to look up irradiation? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 5, 2016

bread traditionally eaten on Shabbat

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez duvet spindrift kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ