Meaning of Demonstrator

English: Demonstrator
Bangla: প্রদর্শক, প্রকাশক, সক্রিয় অংশগ্রহণকারী
Hindi: प्रदर्शक, प्रदर्शन निकालनेवाला, दिखानेवाला, प्रदर्शन करनेवाला, जलूस निकालनेवाला
Type: Noun / বিশেষ্য / संज्ञा

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Bangla Academy Dictionary:

Definition: 1

a person or thing that demonstrates.

Definition: 2

Also, demonstrant. a person who takes part in a public demonstration, as by marching or picketing.

Definition: 3

a person who explains orteaches by practical demonstrations.

Definition: 4

a person who exhibits the use and application of (a product, service, etc.) to a prospective customer.

Definition: 5

the product, device, machine, etc., actually used in demonstrations to purchasers or prospective customers: They sold the demonstrator at half price.