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 said disruptions are worst in parts of Tehran where protests are taking place and in the evening, when the demonstrators gather.

From The Wall Street Journal

On Saturday, demonstrators protested outside the Richfield, Minn., store, demanding a response from Target and additional training for staff when interacting with immigration officials.

From The Wall Street Journal

So far no senior government or military figures have defected or spoken out against leadership, even as the crackdown on demonstrators has intensified.

From The Wall Street Journal

The ceremonial, pre-revolution flag has become an emblem of the global rallies that have mushroomed in support of Iran's demonstrators.

From Barron's

In Istanbul, demonstrators voicing support for the Iranian protesters gathered in steady rain.

From Barron's

Related Words

• marcher
• radical
• rioter
• striker