| 单词 | ethylene glycol |
| 释义 | > as lemmasethylene glycol ethylene glycol n. a sweet-tasting, viscous, hygroscopic liquid alcohol made chiefly by hydrolysis of ethylene oxide and used in antifreeze and de-icing fluid, as a synthetic reagent (esp. in the manufacture of polyesters), and in the preservation of waterlogged wood; cf. glycol n.Systematic name: ethane-1,2-diol; HOCH2CH2OH. ΚΠ 1863 Jrnl. Chem. Soc. 16 292 Ethylene glycol (C4H4)O2.2HO. 1906 H. J. H. Fenton Notes Qualitative Anal. (new ed.) 189 Glyoxal is obtained by the careful oxidation of ethylene glycol or ethyl alcohol. 1934 A. W. Thomas Colloid Chem. v. 83 Ethylene glycol is a swelling agent for nitrocellulose. 1990 Green Mag. Nov. 9/1 Ethylene glycol is also reportedly used with red dye to mark roads and runways in snowy and icy conditions. 2011 M. Gosnell Ice xxi The ethylene glycol keeps car radiator fluid from freezing down to −40°F. < as lemmas |
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