regulation is on the Academic Word List.

Pronunciation

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Singular
regulation

Plural
regulations

  1. (countable) A regulation is a rule or a control.
    The company has recently imposed new safety rules and regulations to reduce accidents.
  2. (uncountable) Regulation is the process of controlling something, usually with rules.
    The government is reducing regulation of the airlines.

Synonyms

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Adjective

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Positive
regulation

Comparative
none

Superlative
none

  1. If something is regulation, it is made or done according to the rules.
    This isn't a regulation soccer ball. It's too small.