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Word: moderator (lookup usage) (lookup stats)


Meaning:

Noun:

  • a device used to deaden some of the noise from a firearm, although not to the same extent as a suppressor or silencer.
  • 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
  • someone who moderates
  • the person who presides over a synod of a Presbyterian Church

Source: Wiktionary | Src Info »