testtool

noun
UK /ˈtɛst tuːl/
US /ˈtɛst tuːl/

A testtool is a thing you use to check if something works right.

The teacher used a testtool to see if the new computer program worked.


OTHER MEANINGS

2. A software program that helps developers check whether code behaves correctly.

The engineer ran the testtool to find bugs in the app.

3. A physical device used to measure or examine something.

The mechanic picked up a testtool to check the battery.

4. A person or thing that serves as a standard for judging something.

The quiz was a testtool for measuring how much the students learned.