英语词汇“ethene”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ethene
释义	▪ I. ethene Chem.\|ˈɛθiːn\| [f. eth-yl + -ene.] A fatty hydrocarbon, C₂H₄, forming the second member of the series C_nH₂_n: known also as ethylene, olefiant gas, or heavy carburetted hydrogen. Also attrib., as in *ethene bromide, ethene chloride, ethene iodide, etc. 1873Watts Fownes' Chem.* 554 Ethene is formed by the action of nascent hydrogen upon ethine or acetylene.Ibid. 619 Ethene Iodide is a colourless, crystalline, volatile substance, of penetrating odour.Ibid. (1877) II. 56 Ethene..is most easily prepared by heating strong alcohol with three or four times its weight of strong sulphuric acid. ▪ II. ethene obs. form of heathen.
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