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

He has gained traction in Iran in recent months as an opposition figure, with some demonstrators in the January protests chanting his name.

From BBC

Later in the evening, police officers, some on horseback, moved in on a smaller group of demonstrators around the corner from the federal detention facility.

From Los Angeles Times

Thousands of demonstrators gathered by the Arlington Memorial Bridge and marched toward the National Mall.

From The Wall Street Journal

After years of demonstrators repeatedly shutting down freeway traffic around downtown Los Angeles, Caltrans has installed large metal swing gates onto freeway ramps ahead of this weekends “No Kings” protests.

From Los Angeles Times

But grand juries refused to indict many demonstrators accused by federal prosecutors of attacking agents, and a Times review of alleged assaults found that most incidents resulted in no injuries.

From Los Angeles Times

Related Words

• marcher
• radical
• rioter
• striker