Simple Definition of moderator
: someone who leads a discussion in a group and tells each person when to speak : someone who moderates a meeting or discussion
Full Definition of moderator
1 : one who arbitrates : mediator
2 : one who presides over an assembly, meeting, or discussion: as a : the presiding officer of a Presbyterian governing body b : the nonpartisan presiding officer of a town meeting c : the chairman of a discussion group
3 : a substance (as graphite) used for slowing neutrons in a nuclear reactor
Examples of moderator
The moderator allowed audience members to ask the governor questions.
She acts as the moderator in our office meetings.
First Known Use of moderator
Rhymes with moderator
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Medical Definition of moderator
: a substance (as graphite, deuterium in heavy water, or beryllium) used for slowing down neutrons in a nuclear reactor
Learn More about moderator
Thesaurus: All synonyms and antonyms for "moderator" Medical Dictionary: Definition of "moderator" Spanish Central: Translation of "moderator" Nglish: Translation of "moderator" for Spanish speakers Britannica English: Translation of "moderator" for Arabic speakers Britannica.com: Encyclopedia article about "moderator"
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