hydrated oxide
Definition
Noun: A hydrated oxide is a chemical compound formed by the combination of an oxide with water molecules. This typically results in a substance containing hydroxyl groups (OH⁻).
Usage
This term is used primarily in chemistry to describe specific inorganic compounds. It is a technical, scientific term.
Examples
- The mineral gibbsite is a hydrated oxide of aluminum.
- When calcium oxide reacts with water, it forms the hydrated oxide known as calcium hydroxide.
- The formation of a hydrated oxide layer can protect some metals from further corrosion.
Advanced Usage
- Geology/Mineralogy: Many naturally occurring minerals are classified as hydrated oxides.
- Bauxite, the principal ore of aluminum, contains several aluminum hydrated oxides.
Variants and Related Words
- Hydroxide (n): This is the more common and general synonym for a hydrated oxide. All hydrated oxides are hydroxides, but not all hydroxides are simple combinations of a metal oxide and water (some are derived from other reactions).
- Sodium hydroxide (NaOH) is a strong base, also known as caustic soda.
Synonyms
- Hydroxide
Notes on Different Meanings
This term has a single, specific meaning in scientific contexts. There are no common idiomatic or figurative uses.
Noun
-
a compound of an oxide with water
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