noun
- a chemical compound containing the hydroxyl group (OH-), especially a metallic compound that dissolves in water to form an alkaline solution
Usage: chemistry
Examples
- Sodium hydroxide is commonly known as lye or caustic soda.
- The laboratory stored bottles of potassium hydroxide for experiments.
- Calcium hydroxide is used in cement and mortar production.
- The chemist added hydroxide ions to neutralize the acid.
- Magnesium hydroxide is found in many antacid medications.
- The pH increased when hydroxide was added to the solution.