Tester

/ˈtɛstər/

Meaning & Definition

noun

A person or device that tests something, especially for quality or functionality.

The software tester identified several bugs in the application before its release.

A tool or device used to test the performance or quality of an object or substance.

The engineer used a voltage tester to check the electrical circuits.

A person who evaluates products or services to provide feedback.

She was hired as a product tester to provide insights on the new cosmetics line.

The word 'tester' comes from the Middle French word 'tester' meaning 'to test or examine'.

test the waters:

To try something out before a larger commitment.

put to the test:

To examine or challenge something.

trial and error:

A method of reaching a desired outcome through experimentation.

A tester who works in software development.

That coder is just a tester, not a developer.

A sample or promotional item to evaluate a product.

I got a free tester of that new skincare line.