Meaning & Definition of word "Tester"

Tester

/ˈtɛstər/

1. A person or device that tests something, especially for quality or functionality.
- Example: The software tester identified several bugs in the application before its release.
2. A tool or device used to test the performance or quality of an object or substance.
- Example: The engineer used a voltage tester to check the electrical circuits.
3. A person who evaluates products or services to provide feedback.
- Example: 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.

testing:

The action of assessing something through trials.

quality assurance:

Systematic measurement, comparison with a standard, and monitoring of processes.

Meaning: A tester who works in software development.

Example Sentence: That coder is just a tester, not a developer.

Meaning: A sample or promotional item to evaluate a product.

Example Sentence: I got a free tester of that new skincare line.