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| test·er [ téstər ] (plural test·ers) |
noun |
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| Definition: |
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1. somebody who tests products: somebody whose job it is to try out new products
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2. sample of product: a sample of a product, especially a cosmetic
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3. equipment to check proper functioning: a piece of equipment that tests if a machine or device is working properly
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4. small food thermometer: a small thermometer inserted into something that is cooking to determine if it is done
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5. somebody who conducts tests: somebody who administers or carries out tests
  a water tester
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| [14th century. <test1] |
