| 单词 | emission |
| 释义 | emission /i mish"euhn/, n. 1. an act or instance of emitting: the emission of poisonous fumes. 2. something that is emitted; discharge; emanation. 3. an act or instance of issuing, as paper money. 4. Electronics. a measure of the number of electrons emitted by the heated filament or cathode of a vacuum tube. 5. an ejection or discharge of semen or other fluid from the body. 6. the fluid ejected or discharged. [1600-10; ( < MF) < L emission- (s. of emissio), equiv. to emiss(us), ptp. of emittere to EMIT (e- E- + mit- send + -tus ptp. suffix) + -ion- -ION] Syn. 5. ejaculation. 6. ejaculate. |
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