say it: pur-AM-uh-tur
parameter is a noun meaning "a constant in the equation of a curve that can be varied to yield a family of similar curves". It carries 4 recorded senses.
a constant in the equation of a curve that can be varied to yield a family of similar curves
any factor that defines a system and determines (or limits) its performance
(computer science) a reference or value that is passed to a function, procedure, subroutine, command, or program
computer science
a quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for parameter come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.