AskDefine | Define moderator

Dictionary Definition



1 any substance used to slow down neutrons in nuclear reactors
2 in the Presdyterian church, the officer who presides over a synod or general assembly
3 someone who presides over a forum or debate
4 someone who mediates disputes and attempts to avoid violence

User Contributed Dictionary



  1. someone who moderates
    1. an arbitrator or mediator
    2. the chairman or president of a meeting etc
  2. the person who presides over a synod of a Presbyterian Church
  3. a substance (often water or graphite) used to decrease the speed of fast neutrons in a nuclear reactor and hence increase likelihood of fission



hr-noun m

Extensive Definition

Moderator may refer to:
In other uses
  • Moderator variable in statistics is a qualitative or quantitative variable that affects the direction and/or strength of the relation between dependent and independent variables
  • Neutron moderator, a medium that reduces the velocity of fast neutrons
  • Sound moderator, a suppressor, a device attached to a firearm
moderator in Czech: Moderátor
moderator in German: Moderator
moderator in Spanish: Moderador
moderator in French: Modérateur
moderator in Dutch: Moderator
moderator in Polish: Moderator
moderator in Portuguese: Moderador
moderator in Russian: Модератор (значения)
moderator in Slovenian: Moderator
moderator in Ukrainian: Модератор

Synonyms, Antonyms and Related Words

JP, Justice, MC, alleviative, alleviator, anchorman, anodyne, arbiter, arbitrator, assuager, balm, bencher, calmative, chair, chairman, conciliator, coordinator, critic, cushion, dolorifuge, emcee, his honor, his lordship, his worship, impartial arbitrator, indicator, judge, justice, lenitive, magistrate, master of ceremonies, mediator, mitigator, modulator, mollifier, negotiator, pacificator, pacifier, palliative, peacemaker, president, presiding officer, referee, restraining hand, salve, sedative, shock absorber, soother, soothing syrup, stabilizer, temperer, third party, toastmaster, tranquilizer, umpire, unbiased observer, wiser head
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