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moderator

PRIMARY MEANINGS OF: moderator

1
n
someone who presides over a forum or debate
2
n
any substance used to slow down neutrons in nuclear reactors
FULL DEFINITIONS OF: moderator
1

n someone who presides over a forum or debate

Type of:
presiding officer
the leader of a group meeting

n in the Presbyterian church, the officer who presides over a synod or general assembly

Type of:
presiding officer
the leader of a group meeting

n someone who mediates disputes and attempts to avoid violence

Types:
modifier
a moderator who makes less extreme or uncompromising
Type of:
go-between, intercessor, intermediary, intermediator, mediator
a negotiator who acts as a link between parties
2

n any substance used to slow down neutrons in nuclear reactors

Types:
deuterium oxide, heavy water
water containing a substantial proportion of deuterium atoms, used in nuclear reactors
Type of:
inhibitor
a substance that retards or stops an activity
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