/ Thesaurus / N Synonyms of nikolai ivanovich lobachevsky Find synonyms for: Noun1. Lobachevsky, Nikolai Ivanovich Lobachevskyusage: Russian mathematician who independently discovered non-Euclidean geometry (1792-1856)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language