openvariable
nounUK /ˈəʊpənˌveəriəbl/
US /ˈoʊpənˌveriəbl/
An open variable is a thing in a game or puzzle that can change and is not set yet.
The number of players is an open variable, so we can add more friends later.
OTHER MEANINGS
2. In math, a letter that stands for a number you can still choose.
In the equation x + 2 = 5, x is an open variable until you solve it.
3. In computer coding, a value that can be changed while the program runs.
The score is an open variable that goes up each time you win.
4. In science, a factor in a test that is allowed to change.
The plant's water amount was an open variable in our experiment.