English Explanatory Dictionary

irradiation

English dictionary entry

Meanings

noun
  1. An act of irradiating, or state of being irradiated.
  2. a process of sterilization whereby radiation is passed through a bag containing food, utensils, etc., to sterilize the contents.
  3. Synonym of radiotherapy.
  4. illumination; irradiance; brilliance.
  5. mental light or illumination.
  6. The apparent enlargement of a bright object seen upon a dark ground, due to the fact that the portions of the retina around the image are stimulated by the intense light; as when a dark spot on a white ground appears smaller, or a white spot on a dark ground larger, than it really is, especially when a little out of focus.

Pronunciation

/ɪˌɹeɪdiˈeɪʃən/ LL-Q1860 (eng)-Vealhurl-irradiation.wav

Word forms

irradiation irradiations

Etymology

From Middle French irradiacion, from Latin irradiatio. Morphologically irradiate + -ion.

Synonyms

radiotherapy

Related words

nonirradiating unirradiated

Derived words

chemoirradiation irradiation illusion irradiation sickness microirradiation photoirradiation postirradiation reirradiation X-irradiation

Translations

Arabic: تَشَعُّع Arabic: تَشْعِيع Azerbaijani: radiaktik şüalanma Catalan: irradiació Estonian: kiiritus Finnish: säteilytys French: irradiation German: Bestrahlung Greek: ακτινοβολία Hindi: किरणन Indonesian: iradiasi Italian: irradiazione Kazakh: сәулесоққы Norwegian Nynorsk: bestråling Polish: napromieniowanie Portuguese: irradiação Russian: облуче́ние Russian: излуче́ние Slovene: iradiacija Swedish: bestrålning
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