1. the act of forcing someone to leave a place, organization, or institution as a punishment
2. the act of forcing something out of the body or from a container
Usage: medical; technical

Examples

• The student faced expulsion for cheating on the final exam.
• His expulsion from the club was unanimous after the incident.
• The expulsion of foreign diplomats created international tension.
• The expulsion of air from the lungs occurs during exhalation.
• The school board voted on the expulsion of three students.
• Her expulsion from the program was a devastating blow to her career.
• The expulsion of waste products is essential for cellular function.