- a constant or variable term in a function that determines the specific form of the function but not its general nature, as a in f(x) = ax, where a determines only the slope of the line described by f(x).
- one of the independent variables in a set of parametric equations.
Origin of parameter
Examples from the Web for parametric
Contemporary Examples of parametric
His doctoral thesis was titled “Contributions to the Theory of Parametric Estimation in Randomly Censored Data.”Colorado Shooter James Holmes’s Family History Goes Back to the Mayflower
July 22, 2012
Historical Examples of parametric
We are victims of habit, and we tend to provide such information in parametric form.Warren Commission (3 of 26): Hearings Vol. III (of 15)
The President's Commission on the Assassination of President Kennedy
Word Origin for parameter
A geometry term until 1920s when it yielded sense of "measurable factor which helps to define a particular system" (1927). Common modern meaning (influenced by perimeter) of "boundary, limit, characteristic factor" is from 1950s. Related: Parametric.
A quantity or number on which some other quantity or number depends. An informal example is, “Depending on the traffic, it takes me between twenty minutes and an hour to drive to work”; here, “traffic” is the parameter that determines the time it takes to get to work. In statistics, a parameter is an unknown characteristic of a population — for example, the number of women in a particular precinct who will vote Democratic.