irradiation

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English[edit]

Etymology[edit]

From Middle French irradiacion, from Latin irradiatio

Pronunciation[edit]

Noun[edit]

irradiation (countable and uncountable, plural irradiations)

  1. An act of irradiating, or state of being irradiated.
  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.
  5. (uncountable) a process of sterilisation whereby radiation is passed through a bag containing food, utensils, etc., to sterilise the contents.

Derived terms[edit]

Translations[edit]


French[edit]

Noun[edit]

irradiation f (plural irradiations)

  1. irradiation