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demonstrator

[ dem-uhn-strey-ter ]
/ ˈdɛm ənˌstreÉȘ tər /
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noun
a person or thing that demonstrates.
Also demonstrant. a person who takes part in a public demonstration, as by marching or picketing.
a person who explains orteaches by practical demonstrations.
a person who exhibits the use and application of (a product, service, etc.) to a prospective customer.
the product, device, machine, etc., actually used in demonstrations to purchasers or prospective customers: They sold the demonstrator at half price.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as


Origin of demonstrator

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

OTHER WORDS FROM demonstrator

coun·ter·dem·on·stra·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use demonstrator in a sentence

British Dictionary definitions for demonstrator

demonstrator
/ (ˈdɛmənˌstreÉȘtə) /

noun
a person who demonstrates equipment, machines, products, etc
a person who takes part in a public demonstration
a piece of merchandise, such as a car that one test-drives, used to display merits or performance to prospective buyers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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