regulation (EN)

noun, adjective

noun “regulation”

1. an official rule or law that says how something should be done
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   The safety regulations require workers to wear helmets.
2. the act of controlling something by rules or laws
   Government regulation of the banking industry has increased.
3. (biology) the control or maintenance of a process in the body
   The regulation of hormone levels is vital for health.
4. (genetics) the control of gene expression
   Gene regulation determines how cells develop.
5. (EU law) a legislative act that applies directly to all member states without needing national laws
   The regulation came into effect immediately across the EU.

adjective “regulation”

1. used or worn in agreement with the official rules or standards
   He wore the regulation uniform to the ceremony.