from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One that moderates, as:
  • n. One that arbitrates or mediates.
  • n. One who presides over a meeting, forum, or debate.
  • n. The officer who presides over a synod or general assembly of the Presbyterian Church.
  • n. Physics A substance, such as water or graphite, that is used in a nuclear reactor to decrease the speed of fast neutrons and increase the likelihood of fission.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. someone who moderates
  • n. the person who presides over a synod of a Presbyterian Church
  • n. a substance (often water or graphite) used to decrease the speed of fast neutrons in a nuclear reactor and hence increase likelihood of fission
  • n. a device used to deaden some of the noise from a firearm, although not to the same extent as a suppressor or silencer.
  • n. An examiner at Oxford and Cambridge universities.
  • n. At the University of Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.
  • n. A mechanical arrangement for regulating motion in a machine, or producing equality of effect.

from the GNU version of the Collaborative International Dictionary of English

  • n. One who, or that which, moderates, restrains, or pacifies.
  • n. The officer who presides over an assembly or discussion to preserve order, propose questions, regulate the proceedings, and declare the votes.
  • n. 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.
  • n. A mechanical arrangement for regulating motion in a machine, or producing equality of effect.

from The Century Dictionary and Cyclopedia

  • n. One who or that which moderates, restrains, or represses.
  • n. In microscopy, a device used to diminish the intensity or vary the character of the light which illuminates the object: it consists commonly of a screen of opal glass, ground glass, or glass of a pale-blue or neutral tint.
  • n. An umpire; a judge.
  • n. The person who presides at a meeting or disputation: now used chiefly in churches of the Presbyterian and Congregational order (as, the moderator of a presbytery or of the General Assembly), and in town-meetings in the United States.
  • n. In the universities of Cambridge and Oxford, one of the public officers appointed to superintend the examinations for honors and degrees: so called because they formerly had to moderate or preside in the exercises of undergraduates for the degree of bachelor of arts.
  • n. A moderator-lamp.
  • n. In astrology, any one of the four principal points in a nativity upon which the native's fortunes are supposed to depend: the sun, moon, ascendant, or mid-heaven.
  • n. In mech., a device for moderating or reducing the speed of an internal-combustion engine by the operation of a throttle-valve. Its action is the reverse of that of the accelerator.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. someone who mediates disputes and attempts to avoid violence
  • n. any substance used to slow down neutrons in nuclear reactors
  • n. in the Presbyterian church, the officer who presides over a synod or general assembly
  • n. someone who presides over a forum or debate


From Latin moderator. (Wiktionary)


  • _moderator_ of a moderated group decides not to accept anon postings (and it's within the groups charter), then fine, and that should be in the FAQ (if it's not in the charter, the moderator should be replaced ASAP).

    The Sphinx of Russia

  • Monbiot again, and the moderator is asking about potential benefits from rising temperatures, e.g. for Canada.

    2009 December 1 | Serendipity

  • • Anonymous comments are approved when a moderator is available to do so.

    Boing Boing Moderation Policy - Boing Boing

  • I just don't have a lot of confidence in the panel because the moderator is a writer who, at the last convention I was at, very proudly stated that she doesn't bother doing any research at all because she sees her primary role as an entertainer.

    mrissa: Minicon report, with digressions

  • Being a moderator is actually a great sales opportunity – but only if you do it right.

    Books, panels, web advertising and sheds

  • If you do – - it just shows your moderator is a robot kim in portland, oregon

    Exit polls: Clinton viewed as attacking unfairly

  • Log in to Reply your moderator is a total jerk. this site is worse in every way than it was before the crash a few weeks ago. pretty pathetic Time. piper1

    Prop 8 - Swampland -

  • The fact that the moderator is your unwarranted ally in this instance does not add weight to your comment.

    Suculent Rain Bird Cat Litter

  • Instead of having a free and open discussion in which ideas are shared (even if disagreed with), if the "moderator" is in one of their frequent moods, the writer is slammed and treated with disrespect.

    Empty Forums Again

  • I know as a moderator we are not supposed to get "so involved" with the people who post comments.

    Kathy Marcel: Remembering HumeSkeptic and CarlV


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