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non-Euclidean

adjective /ˌnɒn.juˈklɪd.i.ən/ US  /ˌnɑːn-/ specialized

Definition

relating to the study of geometry (= the study of angles and shapes formed by the relationships between lines) that disagrees with or adds to the theories of Euclid → Compare Euclidean
(Definition of non-Euclidean adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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