moderator (noun)

  • 41black lead — noun used as a lubricant and as a moderator in nuclear reactors • Syn: ↑graphite, ↑plumbago • Hypernyms: ↑carbon, ↑C, ↑atomic number 6 • Hyponyms: ↑lead, ↑ …

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  • 42boiling water reactor — noun a nuclear reactor that uses water as a coolant and moderator; the water boils in the reactor core and the steam produced can drive a steam turbine • Syn: ↑BWR • Hypernyms: ↑water cooled reactor * * * boiling water reactor, a nuclear reactor… …

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  • 43fast reactor — noun nuclear reactor in which nuclear fissions are caused by fast neutrons because little or no moderator is used • Ant: ↑thermal reactor • Hypernyms: ↑nuclear reactor, ↑reactor …

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  • 44go-between — noun a negotiator who acts as a link between parties • Syn: ↑mediator, ↑intermediator, ↑intermediary, ↑intercessor • Derivationally related forms: ↑intermediate (for: ↑intermediator), ↑ …

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  • 45inhibitor — noun a substance that retards or stops an activity • Ant: ↑activator • Derivationally related forms: ↑inhibit • Hypernyms: ↑substance • Hyponyms: ↑angiotensin II inhibitor, ↑ …

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  • 46intercessor — noun a negotiator who acts as a link between parties • Syn: ↑mediator, ↑go between, ↑intermediator, ↑intermediary • Derivationally related forms: ↑intermediate (for: ↑intermediator), ↑ …

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  • 47intermediator — noun a negotiator who acts as a link between parties • Syn: ↑mediator, ↑go between, ↑intermediary, ↑intercessor • Derivationally related forms: ↑intermediate, ↑mediate (for: ↑ …

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  • 48mediator — noun a negotiator who acts as a link between parties • Syn: ↑go between, ↑intermediator, ↑intermediary, ↑intercessor • Derivationally related forms: ↑intermediate (for: ↑intermediator), ↑ …

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  • 49thermal reactor — noun a nuclear reactor in which nuclear fissions are caused by neutrons that are slowed down by a moderator • Ant: ↑fast reactor • Hypernyms: ↑nuclear reactor, ↑reactor …

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  • 50boron carbide — noun : any binary compound of boron and carbon; especially : a refractory shiny black crystalline solid B4C ranking next to the diamond in hardness made usually by heating boric oxide and coke in an electric furnace and used chiefly as powdered… …

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