Physics. The action of giving off radiation or particles; a flow of electrons from a cathode-ray tube or other source.
| 单词 | θ78666 |
| 释义 | the world > matter > physics > electromagnetic radiation > [noun] (54) emission1900 Physics. The action of giving off radiation or particles; a flow of electrons from a cathode-ray tube or other source. radiation1908 The emission of energy of any kind in the form of rays or waves (esp. electromagnetic waves), or subatomic particles. Subcategories:— renewed (1) — rate of emission of (1) — directing a beam of (1) — transport of energy entirely by (1) — line between points of same radiation (1) — burst of (2) — quantity of (7) — instrument for measuring (5) — all-absorbing body (9) — Wien's law (1) — Stefan-Boltzmann law (4) — range of wavelengths (2) — wavelength (10) — interval (1) — pressure exerted by (3) — receptiveness to radiation (1) — imperviousness to radiation (1) — shielding from radiation (1) |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。