demonstrator
/ˈdɛmənstɹeɪtə(ɹ)/ noun B2- One who demonstrates anything, or proves beyond doubt.
- The forefinger.
- One who takes part in a demonstration; a protester.
- One who demonstrates products in a retail environment; a merchandiser.
- An item, particularly a vehicle, used in demonstrations to a customer or user.
- An assistant to a lecturer.
- One who teaches anatomy from the dissected parts.
Plural demonstrators
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