| 单词 | anhydride |
| 释义 | anhydride (once / 37642 pages) n WORD FAMILY anhydride: anhydrides USAGE EXAMPLESIn the old chemistry the name acid was applied to the oxides of the negative or nonmetallic elements, now sometimes called anhydrides. Webster, Noah, Webster's Unabridged Dictionary(2012) Maleic anhydride is obtained by distilling fumaric acid with phosphorus pentoxide. Various, Encyclopaedia Britannica, 11th Edit...(2011) A vacuum is created and then flooded with a liquid called acetic anhydride - effectively industrial vinegar - which is sucked into the spaces in the wood. BBC(May 06, 2011) n a compound formed from one or more other compounds in a reaction resulting in removal of water Hypo|Hyper acetic anhydride a compound that is needed in order to refine opium into heroin phthalic anhydridea white cyclic anhydride chemical compound, compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight |
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