demonstrator

American  

[dem-uhn-strey-ter] / ˈdɛm ənˌstreɪ tər /

noun

1. a person or thing that demonstrates.

2. Also a person who takes part in a public demonstration, as by marching or picketing.

3. a person who explains orteaches by practical demonstrations.

4. a person who exhibits the use and application of (a product, service, etc.) to a prospective customer.

5. the product, device, machine, etc., actually used in demonstrations to purchasers or prospective customers.

   They sold the demonstrator at half price.

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demonstrator British  

/ ˈdɛmənˌstreɪtə /

noun

1. a person who demonstrates equipment, machines, products, etc

2. a person who takes part in a public demonstration

3. a piece of merchandise, such as a car that one test-drives, used to display merits or performance to prospective buyers

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Other Word Forms

• counterdemonstrator noun

Etymology

Origin of demonstrator

1605–15; < Latin dēmonstrātor, equivalent to dēmonstrā ( re ) ( demonstrate ) + -tor -tor

Example Sentences

Even some of the country’s leading conservatives have vowed to hear out the demonstrators.

From The Wall Street Journal

In one video, demonstrators could be heard chanting “azadi,” the Farsi word for freedom.

From The Wall Street Journal

Security forces were deployed in the area, and intervened to break up clashes between demonstrators and counter-protesters, an AFP correspondent witnessed.

From Barron's

Thousands of demonstrators took to the streets earlier this month to protest it.

From The Wall Street Journal

On Thursday there were clashes between riot police and demonstrators in the southern Ariège department, after vets were called in to destroy potentially contaminated cattle at a farm.

From BBC

Related Words

• marcher
• radical
• rioter
• striker