Hydroxide
(noun)
A compound containing the group -OH, typically formed by the action of water on a metal or other basic element or compound.
Origin:
Mid 19th century: from hydro- + oxide.
Examples:
- Sodium hydroxide is a strong base commonly known as lye.
- Aluminum hydroxide is used as an antacid to neutralize stomach acid.
- Hydroxides are formed when a metal reacts with water.
- Hydroxides are typically alkaline and have a pH greater than 7.
- Some hydroxides can be used as cleaning agents or in industrial processes.