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Use "aethereal" in a sentence
"On the other hand, these are people who also seriously believe in aethereal beings that answer whiny pleas and need slick used-car salesmen to talk them through what they should think, once a week ... but who don't believe in ESP, ghosts, or any other supernatural events."
"For instance, Copernicus's theory shared much of Aristotle's physics, Aristotle's commitment to spherical motion and his use of aethereal spheres, Kepler's geo-centrism"
"Some apprehended a purifying virtue in fire, refining the grosser commixture, and firing out the aethereal particles so deeply immersed in it."