parameter meaning and definition

PARAMETER noun

Definition of parameter (noun)

1. a constant in the equation of a curve that can be varied to yield a family of similar curves
   • synonyms: parametric quantity
2. any factor that defines a system and determines (or limits) its performance
3. (computer science) a reference or value that is passed to a function, procedure, subroutine, command, or program
   • synonyms: argument
4. a quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data