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MODERATOR

Definition:

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

Synonyms:

• Search for synonyms for MODERATOR

Related Words:

• heavy water, deuterium oxide
• modifier

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