Euclidean adjective. [ju:'klɪdɪǝn] Also Euclidian. E18.
[from Latin Euclideus, Greek Eukleideios (formed as EUCLID) + -EAN, -IAN.]
Of or pertaining to Euclid; that is according to the principles of Euclid.
Euclidean geometry the geometry of ordinary experience, based on the axioms of Euclid, esp. the one stating that parallel lines do not meet. Euclidean space: that of ordinary experience, for which Euclidean geometry holds.

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