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单词 anhydride
释义

WordReference Random House Unabridged Dictionary of American English © 2024
an•hy•dride  (an hī′drīd, -drid),USA pronunciation n. [Chem.]
  1. Chemistrya compound formed by removing water from a more complex compound: an oxide of a nonmetal (acid anhydride)or a metal (basic anhydride) that forms an acid or a base, respectively, when united with water.
  2. Chemistrya compound from which water has been abstracted.
  • anhydrous + -ide 1860–65

Collins Concise English Dictionary © HarperCollins Publishers::
anhydride /ænˈhaɪdraɪd -drɪd/ n
  1. a compound that has been formed from another compound by dehydration
  2. a compound that forms an acid or base when added to water
Etymology: 19th Century: from anhydr( ous) + -ide
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更新时间：2024/11/11 15:13:03