parameter - definition and synonyms

 
noun [countable] [usually plural] 

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/pəˈræmɪtə(r)/
singularparameter
pluralparameters
  1. a limit that affects how something can be done

    We have to operate within the parameters of the budget.

    set/define/establish parameters (for something):

    Ministers will meet next week to set the parameters for the peace conference.