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dimethyl 二甲基 二甲基 Dimethyl \Di*meth"yl\, n. [Pref. di- methyl.] (Chem.)
Ethane; -- sometimes so called because regarded as consisting of two methyl radicals. See {Ethane}. [1913 Webster] ethane \eth"ane\ ([e^]th"[=a]n), n. [From {Ether}.] (Chem.) A gaseous hydrocarbon, {C2H6}, forming a constituent of ordinary illuminating gas. It is the second member of the paraffin series, and its most important derivatives are common alcohol (ethyl alcohol), acetaldehyde, ether, and acetic acid. Called also {dimethyl}. [1913 Webster]
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