| 单词 | ultraviolet |
| 释义 | ultraviolet /ul'treuh vuy"euh lit/, adj. 1. beyond the violet in the spectrum, corresponding to light having wavelengths shorter than 4000 angstrom units. 2. pertaining to, producing, or utilizing light having such wavelengths: an ultraviolet lamp. Cf. infrared. n. 3. ultraviolet radiation. [1870-75; ULTRA- + VIOLET] |
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