“ethene”的英文意思_释义_用法

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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