- 1regulate something to control something by means of rules The activities of credit companies are regulated by law. The government accepts whaling in principle as long as it is carefully regulated. It is up to the regulating authority to put the measures into effect.
- 2[transitive] regulate something to control the speed, pressure, temperature, etc. in a machine or system This valve regulates the flow of water.
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NAmE//ˈrɛɡyəˌleɪt//Verb Forms present simple I / you / we / they regulate
he / she / it regulates
past simple regulated
-ing form regulating