constant
n. countable B2 Upper Intermediate Oxford US //ˈkɑnstənt// UK //kˈɒnstənt// con·stant
n. something that stays the same and does not change. In math or science, it is a value that is always the same, even when other things around it change.
n. a value or quantity that does not vary. In a mathematical or computational context, it represents a fixed data point that remains unchanged throughout a process or calculation.
The speed of light is a physical constant.
In this computer program, the user's ID number is a constant that cannot be edited after registration.
While the variables in the experiment were adjusted daily, the temperature of the laboratory remained a constant to ensure the validity of the results.
Usage
Commonly used in scientific, mathematical, and programming contexts to distinguish fixed values from variables.