moderator
//ˈmɒdəreɪtər//
Noun
moderatorSingular
moderatorsPlural
1
A person who presides over a discussion, debate, or meeting, ensuring that it proceeds in an orderly and fair manner.
The moderator kept the debate on track and gave each speaker equal time.
2
A person or system that reviews and monitors content on online platforms to ensure it adheres to community guidelines.
The moderator removed the inappropriate comments from the forum.
3
A substance used in a nuclear reactor to slow down neutrons, enabling a sustained chain reaction.
Graphite is commonly used as a moderator in nuclear reactors.