moderator
- Noun. someone who moderates.
- Noun. the person who presides over a synod of a Presbyterian Church.
- Noun. (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.
- Noun. a device used to deaden some of the noise from a firearm, although not to the same extent as a suppressor or silencer.
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This entry was last updated on RefTopia from its source on 3/20/2012.