parameter

parameter — noun

1. one of the rules, facts, or boundaries that shape what you are allowed to do, or

1.名詞C1
釋義

one of the rules, facts, or boundaries that shape what you are allowed to do, or that decide how a situation, plan, or piece of work develops — for example, a budget cap on a project, or the start and end times of a meeting.

例句

The committee set clear parameters for how the school money could be spent.

set + parameters + for [something]

Lina had to design the new logo within the parameters of the company's brand colors.

within the parameters of [something]

同義詞
  • limit

    more everyday and singular-friendly; 'parameter' sounds more formal and structured

  • boundary

    stresses the line between what is and isn't allowed; 'parameter' can also include guiding rules, not just edges

  • guideline

    an advisory rule; 'parameter' often feels firmer or more measurable

  • criterion

    a standard for judging; 'parameter' is what shapes or limits the activity itself

文法句型

within the parameters of [something]

set + parameters

parameters + for [something]

用法筆記

Almost always plural. Subject is typically an authority (committee, manager, contract, law) and the parameters either bound an activity or define how something is judged. Distinguish from 'perimeter' (a physical edge) — 'parameter' is conceptual.

常見錯誤

❌The fence marks the parameter of the field.
✅The fence marks the perimeter of the field.
💡'perimeter' is a physical edge; 'parameter' is a rule or limit.
❌She works within the parameter of her budget.
✅She works within the parameters of her budget.
💡this sense is almost always plural.
❌My parameter is to finish by Friday.
✅My deadline is Friday.
💡'parameter' is not a single goal or deadline; use it for the boundaries around an activity.