Lobachevsky

American

[loh-buh-chef-skee, luh-buh-chyef-skyee] / ˌloʊ bəˈtʃɛf ski, lə bʌˈtʃjɛf skji /

noun

Nikolai Ivanovich 1793–1856, Russian mathematician.

Lobachevsky British

/ ləbaˈtʃɛfskij /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Lobachevsky

Indeed, Lobachevsky has the honor of publishing first in the field.

From Forbes ● May 13, 2015

In Russia, Nikolai Lobachevsky, and in Hungary János Bolyai, were also exploring the geometries of curved space.

From Forbes ● May 13, 2015

Dr. Hirzebruch received many awards and honors, including the Wolf Prize in 1988, the Lobachevsky Prize in 1990 and nine honorary doctorates.

From New York Times ● Jun. 11, 2012

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