Definitions
1.nounThe act of demonstrating; showing or explaining something.
2.nounAn event at which something will be demonstrated."I have to give a demonstration to the class tomorrow, and I'm ill-prepared."
3.nounExpression of one's feelings by outward signs.
4.nounA public display of group opinion, such as a protest march.
5.nounA show of military force.
6.nounA mathematical proof.