testedvariable
nounUK /ˈtɛstɪd ˈvɛəriəbl/
US /ˈtɛstɪd ˈvɛriəbl/
A tested variable is something in a science experiment that a scientist changes and checks to see what happens.
In our plant experiment, the tested variable was the amount of water each plant got.
RELATED WORDS
OTHER MEANINGS
2. In math, a tested variable is a letter or symbol whose value is checked by putting in numbers.
We tested the variable x by trying x equals 2 and x equals 5.
3. In computer coding, a tested variable is a stored value that a program checks to decide what to do next.
The game tested the variable 'score' to see if the player won.
4. In everyday life, a tested variable is any single thing you change to see if it makes a difference.
She tested the variable of waking up early to see if she felt more awake.