demonstrator

noun

dem·​on·​stra·​tor ˈde-mən-ˌstrā-tər 

: one that demonstrates:

a

: a product (such as an automobile) used to demonstrate performance or merits to prospective buyers

b

: a person who engages in a public demonstration

Examples of demonstrator in a Sentence

Thousands of demonstrators marched through the streets.

Recent Examples on the Web

During that speech, Biesenbach was briefly shouted down by pro-Palestine demonstrators. —Alex Greenberger, ARTnews.com, 6 Dec. 2024

Eleven demonstrators were arrested, according to Minnetonka police. —Jason Fields, Newsweek, 5 Dec. 2024

Pro-Western demonstrators accuse the Georgian Dream government of rigging October's parliamentary elections with Russian backing. —David Brennan, ABC News, 5 Dec. 2024

For example, Lamar said, the Museum of the Plains Indian in Browning, Montana, has demonstrator space set aside for artists to showcase their process and sell their art. —Debra Utacia Krol, USA TODAY, 1 Dec. 2024

Word History

Etymology

demonstrate + -or entry 1

First Known Use

1593, in the meaning defined above

Phrases Containing demonstrator

• counter-demonstrator

Kids Definition

demonstrator

noun

dem·​on·​stra·​tor ˈdem-ən-ˌstrāt-ər 

1

: a person who makes or takes part in a demonstration

2

: a manufactured article (as an automobile) used for purposes of demonstration

Medical Definition

demonstrator

noun

dem·​on·​stra·​tor ˈdem-ən-ˌstrāt-ər 

: a teacher or teacher's assistant who demonstrates principles or theories studied (as by dissection, experiment, or chemical preparation)