irradiation
Definition from Wiktionary, the free dictionary
Contents
English[edit]
Etymology[edit]
From Middle French irradiacion, from Latin irradiatio
Pronunciation[edit]
- Rhymes: -eɪʃən
Noun[edit]
irradiation (countable and uncountable, plural irradiations)
- An act of irradiating, or state of being irradiated.
- (obsolete) illumination; irradiance; brilliance.
- (obsolete) figurative: mental light or illumination.
- (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.
- (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]
an act of irradiating, or state of being irradiated
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obsolete: illumination; irradiance; brilliance
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obsolete, figurative: mental light or illumination
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obsolete: the apparent enlargement of a bright object seen upon a dark ground
a process of sterilisation
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French[edit]
Noun[edit]
irradiation f (plural irradiations)
