| 单词 | 氢氧化钠 |
| 释义 | 〔saponification〕A reaction in which an ester is heated with an alkali, such as sodium hydroxide, producing a free alcohol and an acid salt, especially alkaline hydrolysis of a fat or an oil to make soap.皂化：一种酯与碱，如氢氧化钠，混合加热产生的反应，可生成游离醇和酸盐，尤指能用来制肥皂的油脂碱性水解物〔mercerize〕To treat (cotton thread) with sodium hydroxide so as to shrink the fiber and increase its luster and affinity for dye.对…作碱化处理：将（棉线）浸在氢氧化钠溶液中以使纤维收缩并增加其光泽和与染料的亲合力 |
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