Definition of demonstration
1 : an act, process, or means of demonstrating to the intelligence: as a (1) : conclusive evidence : proof (2) : derivation 5 b : a showing of the merits of a product or service to a prospective consumer
2 : an outward expression or display
3 : a show of armed force
4 : a public display of group feelings toward a person or cause
demonstrationalplay \-shnəl, -shə-nəl\ adjective
Examples of demonstration in a sentence
I went to a sculpture demonstration last weekend.
One of the instructors gave a demonstration of how to prune a tree.
Would you mind giving us a demonstration so that we can see how the machine works?
He brought along a copy of the software for demonstration.
Students took part in several nonviolent demonstrations against the government.
The latest tests are a clear demonstration that the vaccine works.
Many people sent cards and flowers in demonstration of their sympathy.
First Known Use of demonstration
DEMONSTRATION Defined for English Language Learners
Definition of demonstration for English Language Learners
: an act of showing someone how something is used or done
: an event in which people gather together in order to show that they support or oppose something or someone
: an act of showing or proving something
DEMONSTRATION Defined for Kids
Definition of demonstration for Students
1 : an outward expression (as a show of feelings) <a demonstration of affection>
2 : an act or a means of showing <a cooking demonstration>
3 : a showing or using of an article for sale to display its good points
4 : a parade or a gathering to show public feeling
Learn More about demonstration
Seen and Heard
What made you want to look up demonstration? Please tell us where you read or heard it (including the quote, if possible).