Definition of Lobachevsky, Nikolai in English:

Lobachevsky, Nikolai

Syllabification: Lo·ba·chev·sky, Nikolai
Pronunciation: /ˌlōbəˈCHefskē, ləbəˈCHyefskyē
 
/
( 1792–1856), Russian mathematician; full name Nikolai Ivanovich Lobachevsky. At about the same time as Gauss and János Bolyai ( 1802–60), he independently discovered non-Euclidean geometry.

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Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected