noun
- plural of quadrennium; periods of four years each
Usage: formal
Examples
- The university reviews its curriculum every two quadrennia.
- Several quadrennia passed before the policy was changed.
- The research project spanned three quadrennia.
- Olympic Games mark the end of quadrennia in international sports.
- The company’s strategic plans are developed in quadrennia.
- Historical records show patterns across multiple quadrennia.