[ yoo-klid-ee-uhn ]
Part of SpeechadjectiveOrigin + Etymology
Mid-17th century; Greek; "of or pertaining to Euclid" (Greek Eukleides), circa 300 B.C.E., geometer of Alexandria. Now often used in contrast to alternative models based on the rejection of some of his axioms, most often the Fifth Postulate.
adjectiveof or relating to the system of geometry based on the work of Euclid and corresponding to the geometry of ordinary experience
adjectiveA) The topic of her class was Euclidean geometry, which she greatly despised despite its real-world uses. B) Euclidean geometry states that any two points can be joined by a straight line.
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