| 单词 | irradiation |
| 释义 | irradiation /i ray'dee ay"sheuhn/, n. 1. the act of irradiating. 2. the state of being irradiated. 3. intellectual or spiritual enlightenment. 4. a ray of light; beam. 5. Optics. the apparent enlargement of an object when seen against a dark background. 6. the use of x-rays or other forms of radiation for the treatment of disease, the making of x-ray photographs, the manufacture of vitamin D, etc. 7. exposure or the process of exposure to x-rays or other radiation. 8. Physics. irradiance. [1580-90; < LL irradiation- (s. of irradiatio). See IR-1, RADIATION] |
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