Meaning: something that is emitted or radiated (as a gas or an odor or a light, etc.)
Meaning: the act of emitting; causing to flow forth
Virgil in the fourth book of his Georgics, which is entirely devoted to bees, speaks of them as having received a direct emanation from the Divine Intelligence.
In former times some scientists supposed that it was a fine rain that fell from the higher regions of the atmosphere. Others supposed it to be an emanation from the earth, while still others supposed it was an exudation from the stars.