Nicolaus (ˌnɪkəˈleɪəs). Polish name Mikołaj Kopernik. 1473–1543, Polish astronomer, whose theory of the solar system (the Copernican system) was published in 1543
Derived forms
Copernican (Coˈpernican)
adjective
Copernicus in British English2
(kəˈpɜːnɪkəs)
noun
a conspicuous crater on the moon, over 4000 metres deep and 90 kilometres in diameter, from which a system of rays emanates
Copernicus in American English
(koʊˈpɜrnɪkəs)
ˌNicoˈlaus (ˌnɪkəˈleɪəs) (L. form of Mikolaj Kopernik) 1473-1543; Pol. astronomer