demonstrator

Academic Word List, sublist 3.

About 0.29 uses per million words.

Meaning

1. noun One who demonstrates anything, or proves beyond doubt.
2. noun The forefinger.
3. noun One who takes part in a demonstration; a protester.
4. noun One who demonstrates products in a retail environment; a merchandiser.
5. noun An item, particularly a vehicle, used in demonstrations to a customer or user.
6. noun An assistant to a lecturer.
7. noun One who teaches anatomy from the dissected parts.

Similar words

protester sales demonstrator demonstration demo elect demonstrater demonstrant demonstratorship prover evidencer

Often followed by

of in and was at is for to who

Word family

demonstrable demonstrably demonstrate demonstrated demonstrates demonstrating demonstration demonstrations demonstrative demonstratively