| 释义 |
酸酐suāngān酸缩去水而成的化合物,如一个碳酸分子(H?CO?)缩去一分子水(H?O)剩下的二氧化碳(CO?)就是碳酸酐,两个醋酸分子(CH?COOH)缩去一分子水(H?O)剩下的(CH?CO)?O就是醋酸酐。{acid anhydride; compound derived from acid by removal of a water molecule. For instance, carbonic acid (CO?) is derived from a carbonic molecule (H?CO?) by removal of a water molecule (H?O); and acetic oxide (CH?CO)?O is derived from two acetic acid molecules (CH?COOH) by removal of a water molecule (H?O).}简称{abbr.}酐{gān}。 |