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English definition of “parameter”

parameter

noun [C usually plural] uk   /pəˈræm.ɪ.tər/ us    /-ə.t̬ɚ/
a set of facts or a fixed limit that establishes or limits how something can or must happen or be done: The researchers must keep within the parameters of the experiment. The central office sets/establishes the parameters that guide policy at the local level.
(Definition of parameter from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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