Moderator vs. Mediator — What's the Difference?

One that arbitrates or mediates.

One that mediates, especially one that reconciles differences between disputants.

One who presides over a meeting, forum, or debate.

(Physiology) A substance or structure that mediates a specific response in a bodily tissue.

The officer who presides over a synod or general assembly of the Presbyterian Church.

(Physics) A subatomic particle that effects or conveys a force between subatomic particles.

(Physics) A substance, such as water or graphite, used in a nuclear reactor to decrease the speed of fast neutrons and increase the likelihood of fission.

One who negotiates between parties seeking mutual agreement.

Someone who moderates.

A chemical substance transmitting information to a targeted cell.

An arbitrator or mediator.

One who mediates; especially, one who interposes between parties at variance for the purpose of reconciling them; hence, an intercessor.

The chair or president of a meeting, etc.

A negotiator who acts as a link between parties

(Internet) A person who enforces the rules of a discussion forum by deleting posts, banning users, etc.

The person who presides over a synod of a Presbyterian Church.

(nuclear physics) A substance (often water or graphite) used to decrease the speed of fast neutrons in a nuclear reactor and hence increase likelihood of fission.

A device used to deaden some of the noise from a firearm, although not to the same extent as a suppressor or silencer.

(UK) An examiner at Oxford and Cambridge universities.

(Ireland) At the University of Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.

(UK) Someone who supervises and monitors the setting and marking of examinations by different people to ensure consistency of standards.

A mechanical arrangement for regulating motion in a machine, or producing equality of effect.

(historical) A kind of lamp in which the flow of the oil to the wick is regulated.

One who, or that which, moderates, restrains, or pacifies.

The officer who presides over an assembly or discussion to preserve order, propose questions, regulate the proceedings, and declare the votes.

In the University of Oxford, an examiner for moderations; at Cambridge, the superintendant of examinations for degrees; at Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.

A mechanical arrangement for regulating motion in a machine, or producing equality of effect.

Any substance used to slow down neutrons in nuclear reactors

In the Presdyterian church, the officer who presides over a synod or general assembly

Someone who presides over a forum or debate

Someone who mediates disputes and attempts to avoid violence