Definition of "euclidean" [euclidean]

• Alternative spelling of Euclidean. (adjective)

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• "I have to figure out how to fit "non-euclidean" in there someplace and I've got an H.P. Lovecraft story on my hands."
• "At the same time I was just getting into reading stories by HP Lovecraft, all that barely-restrained hysteria and cosmic horror, mind-cracking abominations bubbling up from beneath the floorboards of non-euclidean, rat-infested cellars, or leering from the dark, unbalanced vistas painted by former inmates of some creaking Providence institution whose walls are stained with the shrieks of vanished patients…."
• "But that still that non euclidean geometry is a vibrant and active field."