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Lobachevski

American

[loh-buh-chef-skee] / ˌloʊ bəˈtʃɛf ski /

noun

Nikolai Ivanovich 1792–1856, Russian mathematician.

Lobachevski Scientific

/ lō′bə-chĕf′skē /

Russian mathematician who was a pioneer of non-Euclidean geometry.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.