powerfulness
 有力;強烈


 Pow·er·ful a.
 1. Full of power; capable of producing great effects of any kind; potent; mighty; efficacious; intense; as, a powerful man or beast; a powerful engine; a powerful argument; a powerful light; a powerful vessel.
 The powerful grace that lies
 In herbs, plants, stones, and their true qualities.   --Shak.
 2. Mining Large; capacious; -- said of veins of ore.
 Syn: -- Mighty; strong; potent; forcible; efficacious; energetic; intense.
 -- Pow*er*ful*ly, adv. -- Pow*er*ful*ness, n.

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 powerfulness
      n : possession of controlling influence; "the deterrent power of
          nuclear weapons"; "the power of his love saved her"; "his
          powerfulness was concealed by a gentle facade" [syn: power]
          [ant: powerlessness, powerlessness]