单词	dimethylhydrazine
释义	dimethylhydrazine noun di·​meth·​yl·​hy·​dra·​zine ˌdī-ˌme-thəl-ˈhī-drə-ˌzēn  : either of two flammable corrosive isomeric liquids C2H8N2 which are methylated derivatives of hydrazine and of which one is used as a rocket fuel Example Sentences Recent Examples on the Web This shrinking market has opened the door to the Angara rocket, which has the advantage of not using environmentally hazardous fuel for each of its stages—Proton engines used nitrogen tetroxide and unsymmetrical dimethylhydrazine. Eric Berger, Ars Technica, 25 June 2018 Word History First Known Use 1961, in the meaning defined above
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