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 (lō′bə-chĕf′skē, lə-bə-chyĕf′-), Nikolai Ivanovich 1792-1856.
Russian mathematician who developed (1826) a system of non-Euclidean geometry.


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


(ˌloʊ bəˈtʃɛf ski)

Nikolai Ivanovich, 1793–1856, Russian mathematician.
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Noun1.Lobachevsky - Russian mathematician who independently discovered non-Euclidean geometry (1792-1856)
References in periodicals archive ?
Non-Euclidean geometries (Riemann, Lobachevsky et al) 7.
The University of Maryland (UMD) and the Lobachevsky State University of Nizhny Novgorod (UNN) are founding partners, with cooperation and support from the State of Maryland and the government of the Nizhny Novgorod region.
Lobachevsky State University of Nizhni Novgorod (Nizegorodskij Gosudarstvennyj Universitet) Russia, 603950, Nizhni Novgorod, Prospekt Gagarina, 23
Additionally, Juliet Clapp was tapped as Senior Managing Director of the Year for sales, and Yuri Lobachevsky awarded the same in the rental category.
Juliet Clapp was named senior managing director of the year for sales, and Yuri Lobachevsky was senior managing director of the year for rentals .
Russian mathematician Lobachevsky (1792-1856) composed Pangeometry the year before he died as a summary and culmination of his life's work in non-Euclidean geometry, now called Lobachevskian geometry.