moderator
moderator Lexical Profile
moderator Game Scores & Validity
• noun
A person who presides over a debate, panel discussion, assembly, or public forum to ensure fairness and adherence to rules.
"The debate moderator reminded both candidates to stick to the allotted two-minute speaking limit."
An administrator or appointed user who monitors an online forum, chat room, or social media community to enforce guidelines and remove inappropriate content.
"A forum moderator quickly deleted the spam links and banned the offending account."
A substance, such as water or graphite, used in a nuclear reactor to slow down fast neutrons and sustain a controlled nuclear chain reaction.
"Heavy water serves as an effective neutron moderator in certain designs of nuclear power reactors."
A presiding officer of a synod, general assembly, or presbytery in Presbyterian and certain other Protestant churches.
"The General Assembly elected a new moderator to represent the church for the upcoming year."
British An academic examiner who reviews examination papers and grading standards to ensure consistency and fairness across different markers.
"An external moderator reviewed a sample of the final essays to verify that the grading was uniform."
• Nearby Words
Word Origin & Etymology
Borrowed in the late 14th century from Old French moderatour and directly from Latin moderator ('a manager, ruler, governor, director'), an agent noun from moderari ('to set a measure, keep within bounds'), from modus ('measure').