DEMONSTRATOR

demonstrator, protester

(noun) someone who participates in a public display of group feeling

demonstrator, sales demonstrator

(noun) someone who demonstrates an article to a prospective buyer

demonstrator

(noun) a teacher or teacher’s assistant who demonstrates the principles that are being taught

Source: WordNet® 3.1

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Etymology

Noun

demonstrator (plural demonstrators)

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.

Synonyms

• See index finger

Source: Wiktionary

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Dem"on*stra`tor, n. Etym: [L.: cf. F. démonstrateur.]

1. One who demonstrates; one who proves anything with certainty, or establishes it by indubitable evidence.

2. (Anat.)

Definition: A teacher of practical anatomy.

Source: Webster’s Unabridged Dictionary 1913 Edition

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