adjective Pertaining to or composed of nitre; having the properties of nitre, bitter. .mw-parser-output .defdate{font-size:smaller}
adjective Of, relating to, or derived from nitrogen, especially in which the valence of the nitrogen is lower than that of a corresponding nitric species.
adjective Of or relating to nitrous acid or its derivatives.
adjective Having a sharp odor like ammonia or nitric acid.
noun Nitrous oxide.
noun The system in some racing vehicles which pumps nitrous oxide into the engine to improve performance.