changing variable
nounUK /ˈtʃeɪndʒɪŋ ˈveəriəbl/
US /ˈtʃeɪndʒɪŋ ˈveriəbl/
A changing variable is something in a test that can change or be different.
In our plant experiment, the amount of water was the changing variable.
RELATED WORDS
OTHER MEANINGS
2. In math, a letter or symbol that stands for a number that can be different.
In the equation x + 2 = 5, x is a changing variable.
3. In computer coding, a named spot that holds a value which can be updated.
The program uses a changing variable to keep track of the player's score.
4. Anything that is not fixed and may shift over time.
The weather is a changing variable that farmers must plan around.