demonstrator

noun

dem·​on·​stra·​tor ˈde-mən-ˌstrā-tər How to pronounce demonstrator (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In footage documented by CNN affiliate WLWT, people can be seen walking up to the demonstrators as police officers stood in between them. Alaa Elassar, CNN, 8 Feb. 2025 Five years later, the Themis demonstrator still hasn't flown. Stephen Clark, Ars Technica, 7 Feb. 2025 Draped in Mexican and Salvadoran flags, demonstrators gathered near City Hall shortly before noon, blocking traffic at Spring and Temple streets, amid honking horns and solidarity messages from passing motorists. Daniel Miller, Los Angeles Times, 2 Feb. 2025 The order related to antisemitism was broad and enlisted many federal agencies in an effort to identify and punish demonstrators who caused disruptions amid nationwide protests against Israel and the war in Gaza — a group that could include students involved in campus protests. Zach Montague, New York Times, 30 Jan. 2025 See all Example Sentences for demonstrator 

Word History

Etymology

demonstrate + -or entry 1

First Known Use

1593, in the meaning defined above

Time Traveler
The first known use of demonstrator was in 1593

Dictionary Entries Near demonstrator

Cite this Entry

“Demonstrator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/demonstrator. Accessed 16 Feb. 2025.

Kids Definition

demonstrator

noun
dem·​on·​stra·​tor ˈdem-ən-ˌstrāt-ər How to pronounce demonstrator (audio)
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 How to pronounce demonstrator (audio)
: a teacher or teacher's assistant who demonstrates principles or theories studied (as by dissection, experiment, or chemical preparation)
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