Definitions
1.NounThe act of flowing or proceeding (of something, quality, or feeling) from a source or origin.
2.NounThat which issues, flows, or proceeds from any object as a source; efflux; an effluence."Perfume is an emanation from a flower."
3.Noun(physics, chemistry) The element radon (Rn)
4.NounThe generation of the Son and the procession of the Holy Spirit, as distinct from the origination of created beings.