Aether Definition in Alchemy and Science - ThoughtCo
https://www.thoughtco.com/aether-in-alchemy-and-science-604750
WebNov 2, 2019 · It was believed to be the pure essence breathed by gods, while man required air to breathe. In the modern usage, aether simply refers to invisible space (e.g., I lost my email to the aether.) Alternate Spellings: Æther, ether, luminous aether, luminiferous aether, aether wind, light-bearing ether.
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