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Definisi 'demonstrator'
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English to English noun
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a teacher or teacher's assistant who demonstrates the principles that are being taught |  | source: wordnet30
| 2 |
someone who demonstrates an article to a prospective buyer | | source: wordnet30
| 3 |
someone who participates in a public display of group feeling | | source: wordnet30
| 4 |
One who demonstrates; one who proves anything with certainty, or establishes it by indubitable evidence. | | source: webster1913
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