Meaning of moderator
Pronunciation: (mod'u-rā"tur), [key]
- a person or thing that moderates.
- a person who presides over a panel discussion on radio or television.
- a presiding officer, as at a public forum, a legislative body, or an ecclesiastical body in the Presbyterian Church.
- a substance, as graphite or heavy water, used to slow neutrons to speeds at which they are more efficient in causing fission.
- moderator (Thesaurus)