氧化钙; 苛性石灰，生石灰

1. 生石灰：causeway 堤道 | caustic lime 生石灰 | caution sign 警告标志

2. 苛性石灰：caustic baryta 氢氧化钡 | caustic lime 苛性石灰 | caustic potash 氢氧化钾

3. 碱性石灰：caustic extraction 碱抽提 | caustic lime 碱性石灰 | caustic lye 苛性碱液,烧碱液,火碱液

4. 苛性石灰(生石灰)：喀斯特区,灰岩高原 causse | 苛性石灰,生石灰 caustic lime | 熔岩变质作用 caustic metamorphism

noun

1. a caustic substance produced by heating limestone

Synonym: calcium hydroxidelimeslaked limehydrated limecalcium hydratelime hydrate