Trivalent (adjective)

1. Having a valence of three, meaning it can bond with or be replaced by three atoms or ions.
2. Containing or consisting of three atoms or groups of atoms in a molecule or compound.

Origin:

Derived from the latin prefix "tri-" meaning "three" and "valent" meaning "having power".

Examples:

1. The trivalent iron ion is an important component of hemoglobin.
2. Trivalent chromium is commonly used as a surface finish in industrial applications.
3. The trivalent vaccine is more effective at preventing infection than the bivalent version.
4. The trivalent group of atoms in the molecule gives it its unique properties.
5. Trivalent impurities in a crystal can greatly affect its electronic properties.