parameter

noun

1. a fixed limit or boundary that controls how something is done or what is possible

   B1

   countable

   • "We have to work within the parameters of the school budget."A2
   • "The committee set the parameters for the new policy."B1
   • "Any solution must respect the strict parameters established by international law."C1

2. a quantity or value that is used in a mathematical, scientific, or computing model and can be changed to affect the result

   B2

   countabletechnical

   • "You can change the parameter to see a different graph."B1
   • "The function takes two parameters as input."B2
   • "The model's accuracy depends on tuning each parameter optimally."C2