1. the process of joining or combining separate parts into a single whole
2. the state of being unified or made into one

Examples

• The unification of Germany occurred in 1990.
• The company’s unification of its departments improved efficiency.
• Political unification was the goal of the revolutionary movement.
• The unification of the two theories created a breakthrough in physics.
• Economic unification among the nations strengthened trade relations.
• The unification process took several years to complete.
• Scientists worked toward the unification of quantum mechanics and relativity.