irradiation

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

• IPA^(key): /ɪˌɹeɪdiˈeɪʃən/
• Rhymes: -eɪʃən

irradiation (countable and uncountable, plural irradiations)

1. An act of irradiating, or state of being irradiated.
   1. (uncountable) a process of sterilization whereby radiation is passed through a bag containing food, utensils, etc., to sterilize the contents.
   2. Synonym of radiotherapy
2. (obsolete) illumination; irradiance; brilliance.
3. (obsolete, figurative) mental light or illumination.
4. (obsolete) 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.

• chemoirradiation
• irradiation sickness
• photoirradiation
• X-irradiation

Learned borrowing from Late Latin irradiatio. By surface analysis, irradier +‎ -ation.

• IPA^(key): /i.ʁa.dja.sjɔ̃/

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irradiation f (plural irradiations)

1. irradiation

• “irradiation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

irradiation (plural irradiationes)

1. irradiation