a colourless gas, N2O, made by heating ammonium nitrate, which has a faint sweetish odour and taste, and when inhaled produces anaesthesia or (at…
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| 单词 | θ71501 |
| 释义 | the world > matter > chemistry > chemical substances > named gases > [noun] > containing nitrogen > nitrous oxide (4) nitrous oxide1799 a colourless gas, N2O, made by heating ammonium nitrate, which has a faint sweetish odour and taste, and when inhaled produces anaesthesia or (at… laughing gas1819 The gas nitrous oxide, N2O. Cf. gas, n.1 3d. nitrogen monoxide1869 (a) = nitrous oxide n. at nitrous, adj. n.compounds (rare); (b) = nitric oxide n. at nitric, adj. compounds. nitrous1977 slang. Nitrous oxide, as an anaesthetic or narcotic, or as used in high-performance fuel-injection systems. |
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