moderator - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “moderator”

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moderator

noun [C]  us   /ˈmɑd·əˌreɪ·t̬ər/

moderator noun [C] (SUBSTANCE)

physics a substance that slows neutrons in a nuclear reactor

moderator noun [C] (MANAGER)

the manager of a public discussion: The moderator allowed each side two minutes to sum up at the end of the televised debate.
Translations of “moderator”
in Chinese (Traditional) 仲裁人, 調解人, (正式討論的)主持人…
in Chinese (Simplified) 仲裁人, 调解人, (正式讨论的)主持人…
(Definition of moderator from the Cambridge Academic Content Dictionary © Cambridge University Press)
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