limewater
/ˈlaɪmˌwɔːtər/
noun
- A clear, colorless solution of calcium hydroxide in water, used in chemistry tests and sometimes in food preparation.
- In the science lab, they used limewater to test for carbon dioxide gas.
- Limewater turns milky white when carbon dioxide is bubbled through it.
- Some traditional recipes use limewater to soak corn before making tortillas.