Lobachevsky

[loh-buh-chef-skee; Russ. luh-buh-chyef-skyee]

noun

Ni·ko·lai I·va·no·vich

[nyi-kuh-lahy ee-vah-nuh-vyich] , 1793–1856, Russian mathematician.

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Lobachevsky (Russian ləbaˈtʃɛfskij)

—n
	Nikolai Ivanovich (nikaˈlaj iˈvanəvitʃ). 1793--1856, Russian mathematician; a founder of non-Euclidean geometry

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Lobachevsky

Lo·ba·chev·sky