Definition of regulate verb from the Oxford Advanced American Dictionary

      

    regulate

     verb
    verb
    NAmE//ˈrɛɡyəˌleɪt//
     
    Verb Forms present simple I / you / we / they regulate
     
    he / she / it regulates
     
    past simple regulated
     
    -ing form regulating
     
     
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  1. 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. 2[transitive] regulate something to control the speed, pressure, temperature, etc. in a machine or system This valve regulates the flow of water.
See the Oxford Advanced Learner's Dictionary entry: regulate