American Dictionary

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Definition tester in American English

tester noun

[countable] noun
/ˈtestər/
1

a person or a piece of equipment that tests the quality of something

Example

a food tester

Synonyms and related words
2

an example of a product that you can try in order to decide whether to buy it

Example

a perfume tester

Synonyms and related words
Definition tester in American English