Moderator - English meaning

noun

An arbitrator or mediator.

Usage examples:

Egypt managed to assert its role as a regional moderator

noun

A person who reviews examination papers to ensure consistency, or otherwise oversees an examination.

Usage examples:

After marking by the tutor, the papers are returned to a moderator

noun

A person who moderates an internet forum or online discussion.

Usage examples:

I'm not interested in reading only what your moderators approve.

noun

A substance used in a nuclear reactor to retard neutrons.

Usage examples:

In a fast reactor there is no moderator to slow the reaction down

noun

A substance that slows neutrons in a nuclear reactor

Usage examples:

The moderator allowed each side two minutes to sum up at the end of the televised debate.

noun

Someone who controls and leads a discussion between a group of people, but does not take any side in it

Usage examples:

A panel of business people will ask the candidates questions, with a local journalist as moderator.…