emanation

名词 emanation:

1. something that is emitted or radiated (as a gas or an odor or a light etc.)
2. the act of emitting; causing to flow forth
   同义词：emission
3. (theology) the origination of the Holy Spirit at Pentecost
   同义词：rise, procession

em.a.na.tion

n.（名词）
The act or an instance of emanating.
散发，发散：散发或发散的行为或情况

Something that issues from a source; an emission.
散发物，发射物：从一发射源发出的东西；发射物
Chemistry Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.
【化学】 射气：几种氡的同位素的放射性气体，是放射性物质衰变的产物

【引伸】
em.ana.tional
adj.（形容词）