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 in a sentence
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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