irradiation
pronunciation
How to pronounce irradiation in British English: UK [ɪˌreɪdɪ'eɪʃn]
How to pronounce irradiation in American English: US [ɪˌrediˈeʃən]
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- Noun:
- the condition of being exposed to radiation
- a column of light (as from a beacon)
- (physiology) the spread of sensory neural impulses in the cortex
- the apparent enlargement of a bright object when viewed against a dark background
- (Pavolvian conditioning) the elicitation of a conditioned response by stimulation similar but not identical to the original stimulus
- (medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance
Word Origin
- irradiation (n.)
- 1580s, from French irradiation, from Latin *irradiationem, noun of action from past participle stem of irradiare (see irradiate). Originally of light (literally and figuratively); of X-rays, etc., from 1901.
Example
- 1. Only additional processing with irradiation can ensure that .
- 2. But to many people the word irradiation spells danger .
- 3. Secondary effluent treated by various doses of uv irradiation , respectively .
- 4. And some advocacy groups question the long-term safety of irradiation .
- 5. It has yet to begin . Meat irradiation is permitted but rarely used .