English Reference
verb

regulate

v.
US /ˈɹɛɡjəˌɫeɪt/ UK /ɹˈɛɡjuːlˌeɪt/ reg·u·late UK spelling regulates, regulating

  1. 01 B2 Upper Intermediate Academic Law

    to control an activity or process by using official rules or laws.

    to control or direct a process, industry, or activity according to a set of rules, principles, or legislation.

    Simple

    The government needs to regulate the banking industry to prevent another financial crisis.

    In context

    National authorities must regulate the disposal of industrial waste to ensure that local ecosystems are protected from chemical contamination.

    Usage

    Often used in the passive voice when discussing industries or markets.

    deregulate
  2. 02 C1 Advanced Technical Science

    to adjust a piece of equipment so that it works at the right speed or temperature.

    to adjust a mechanism or physical system to ensure accurate and proper functioning.

    Simple

    This valve helps to regulate the flow of water through the pipes.

    In context

    The internal thermostat is designed to regulate the temperature of the server room, preventing the hardware from overheating during peak usage.

    Usage

    Takes a direct object, usually a physical property like 'flow', 'temperature', or 'pressure'.

  3. 03 C1 Advanced AcademicTechnical Science

    the way a living thing controls its own internal systems, like body heat.

    to govern or direct the internal physiological processes of an organism.

    Simple

    Sweating is one way the human body helps to regulate its temperature.

    In context

    The endocrine system works to regulate various biological functions by releasing hormones directly into the bloodstream.

Usage regulate body · regulate your temperature · regulate activity

He also bought a pack of survival blankets - often used to help athletes regulate their body temperature - and places them on the remaining windows.

BBC News· 12 Aug 2026

Natural fibres like cotton and linen help to regulate body temperature and loose-fitting clothing allows room for the breeze to cool you down.

BBC News· 22 Jun 2026

Borrowed from Latin regulatus, perfect passive participle of regulō (“to direct, rule, regulate”) (see -ate (verb-forming suffix)), from regula (“rule”), from regō (“to keep straight, direct, govern, rule”). Compare regle, rail. Displaced native Old English metegian.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin regulatus
Level B2 · Upper Intermediate
Frequency Frequent
Updated