Correct spelling for the English word "Nitriary" is [nˈa͡ɪtrjəɹɪ], [nˈaɪtrjəɹɪ], [n_ˈaɪ_t_r_j_ə_ɹ_ɪ] (IPA phonetic alphabet).
An artificial bed where nitre is formed or made; a place where nitre is refined.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.