caustic soda
英 [ˌkɔːstɪk ˈsəʊdə]
美 [ˌkɔːstɪk ˈsoʊdə]
n. 苛性钠; 烧碱; 氢氧化钠
牛津词典
noun
- 苛性钠；烧碱；氢氧化钠
a chemical used in making paper and soap
柯林斯词典
- (用来制作强力肥皂的)烧碱，苛性钠
Caustic sodais a powerful chemical substance used to make strong soaps and clean drains.
英英释义
noun
- a strongly alkaline caustic used in manufacturing soap and paper and aluminum and various sodium compounds