demonstrator
(dem′ən strāt′ər)
noun
- one that demonstrates; specif.,
- a person who takes part in a public demonstration
- ☆ a person who demonstrates a product
- ☆ a product, as an automobile, used in demonstrations
See demonstrator in American Heritage Dictionary 4
noun- One that demonstrates, such as a participant in a public display of opinion.
- An article or product used in a demonstration.
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