parameterization

Short definition from Wiktionary

Noun

1. 1
   The representation of physical characteristics or properties by parameters rather than as sui generis instances; usually and especially
2. 2
   The representation of physical characteristics or properties by parameters rather than as sui generis instances; usually and especially: Such parameterized representation in a computer model.
3. 3
   The representation of a curve or surface in terms of a parametric equation.