emission

名词 emission:

1. the act of emitting; causing to flow forth
   同义词：emanation
2. a substance that is emitted or released
   同义词：discharge
3. the release of electrons from parent atoms
4. any of several bodily processes by which substances go out of the body
   同义词：discharge, expelling
5. the occurrence of a flow of water (as from a pipe)

1. An electrode used in certain electron tubes to provide secondary emission.
   中间极，二次发射电极一种用于一定电子管作第二次发射电极
2. Emission of visible light by living organisms such as the firefly and various fish, fungi, and bacteria.
   生物发光生物体的可见光发射，如萤火虫、彩色鱼类、真菌类和细菌
3. In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
   在阴极射线管显示器中，用电子束激励后荧光物质光发射的持续现象。
4. Emission and propagation of energy in the form of rays or waves.
   发射以光线或波的形式发出和传播能量

e.mis.sion

n.（名词）
The act or an instance of emitting.
发射：发射的行为或情形
Something emitted.
发射物
A substance discharged into the air, especially by an internal combustion engine.
被发射物：被抛射到空中的物体，尤指用内燃机

来源：
Latin ômissiô ômissiôn- [a sending out]
拉丁语 ômissiô ômissiôn- [发出]
from ômissus [past participle of] ômittere [to send out] * see emit
源自 ômissus [] ômittere的过去分词 [发出] *参见 emit