/ Dictionary / Index L Lobachevsky: Meaning and Definition of Find definitions for: Lo•ba•chev•sky Pronunciation: (lō"bu-chef'skē Russ. lu-bu-chyef'skyē), [key] 1793–1856, Russian mathematician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lobachevsky (Thesaurus) lob lobar Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language