Meaning of CURVATURE in English

CURVATURE

/ ˈkɜːvətʃə(r); NAmE ˈkɜːrv-/ noun

[ U ] ( technical ) the state of being curved; the amount that sth is curved :

the curvature of the earth

curvature of the spine

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WORD ORIGIN

late Middle English : via Old French from Latin curvatura , from curvare to bend, from curvus bent.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.