a person or thing that tests something, especially a product, a small sample of perfume, cream, or similar substance given away as a promotional item

beta tester, tester bed, tester pot

Formal and Informal Expressions of tester

In different contexts, you can replace 'tester' with suitable alternatives. In a more formal setting, 'evaluator, inspector' is apt. In informal speech or writing, 'try-out, sampler' is a commonplace synonym.

tester: Explore its Definition & Usage

tester Definition

1a person or thing that tests something, especially a product
2a small sample of perfume, cream, or similar substance given away as a promotional item

Using tester: Examples

Take a moment to familiarize yourself with how "tester" can be used in various situations through the following examples!

Example
The tester found several issues with the new software.
Example
She received a free tester of the new moisturizer at the store.
Example
The company sent out testers to select customers for feedback.

tester Synonyms and Antonyms

Synonyms for tester

Phrases with tester

beta tester
a person who tests a product before it is released to the public, especially software
Example
The beta testers provided valuable feedback to the developers before the software was released.
tester bed
a small bed used for testing the comfort of a mattress or bedding
Example
The hotel room had a tester bed with a variety of pillows and blankets to choose from.
tester pot
a small container of paint used for testing colors before purchasing a larger quantity
Example
The hardware store offers tester pots of paint for customers to try out different colors at home.

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Summary: tester in Brief

A 'tester' [ˈtɛstər] is a person or thing that tests products or samples, such as software or perfumes. It can also refer to a small sample of a product given away as a promotional item. Examples include 'The tester found several issues with the new software.' and 'She received a free tester of the new moisturizer at the store.' Phrases like 'beta tester' and 'tester pot' extend the meaning of the term.