supportvariable

noun
UK /səˈpɔːt ˈveəriəbl/
US /səˈpɔːrt ˈveriəbl/

A support variable is a helper number that you can change to see how it affects something else.

In the science experiment, the support variable was the amount of water we gave each plant.


OTHER MEANINGS

2. In math, a support variable is an extra letter or number used to help solve a problem.

We used x as a support variable to make the equation easier to solve.

3. In computer coding, a support variable is a temporary value that helps a program work.

The programmer added a support variable to keep track of the total score.

4. In a test, a support variable is something kept the same so the results are fair.

The teacher kept the room temperature as a support variable during the test.