1922 T. M. Lowry xxvi. 401 Nitric oxide (or nitrogen monoxide)... This [latter] name is sometimes applied loosely to dinitrogen monoxide, N2O, and is therefore too ambiguous to be used safely.
1996 B. W. Clark & J. K. Wallace (ed. 3) vi. 77 Most of these gases are produced as by-products of our everyday activities... Dinitrogen monoxide from production of chemical fertilizers, burning wood and fossil fuels.