Emanation refers to something that comes forth or flows out from a source. It is when energy, light, or a substance originates or radiates from one place to another. Full definition
, but the constitutional basis for these claims is elusive, even more so than the conservative bugbear right to privacy (famously derived by Justice Douglas from penumbras of emanations from constitutional rights). (blog.politics.ox.ac.uk)
Maybe there's something to this ocean theory, or maybe it's as worthless as emanations from Michael Mann's Magic Bristlecone. (steynonline.com)
Earlier decisions of the Court, Douglas said, «suggest that specific guarantees in the Bill of Rights have penumbras formed by emanations from those guarantees that help give them life and substance.» (firstthings.com)