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regulator

/ˈɹɛɡ.jʊ.leɪ.tə/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about regulator at Wordnik → Where our words come from →

  1. A device that controls or limits something.
    The regulator stopped working and the resulting overvoltage destroyed the device.
  2. Ellipsis of voltage regulator.
    The regulator stopped working and the resulting overvoltage destroyed the device.
  3. A person or group that sets standards of practice, especially regulatory law as sanctioned by statutory law.

Origin

From regulate + -or.

From Wiktionary, via Kaikki.org (CC BY-SA)