释义 |
ni·ter noun also ni·tre \ˈnīd.ə(r), -ītə-\ (-s) Etymology: Middle English nitre natron, from Middle French, from Latin nitrum, from Greek nitron, from Egyptian nṯry 1. usually nitre, obsolete : natron 2. a. : potassium nitrate especially occurring naturally (as in desert deposits in northern Chile) b. : sodium nitrate; especially : chile saltpeter c. archaic : nitrate 1 3. usually nitre, obsolete : a supposed nitrous substance or element occurring especially diffused through the air 4. usually nitre : ethyl nitrite < spirit of niter > — compare ethyl nitrite spirit 5. : sugar sand |