dead·en /ˈdɛdṇ/
 (vt.)使減弱,消除(vi.)減弱


 Dead·en v. t. [imp. & p. p. Deadened p. pr. & vb. n. Deadening.]
 1. To make as dead; to impair in vigor, force, activity, or sensation; to lessen the force or acuteness of; to blunt; as, to deaden the natural powers or feelings; to deaden a sound.
 As harper lays his open palm
 Upon his harp, to deaden its vibrations.   --Longfellow.
 2. To lessen the velocity or momentum of; to retard; as, to deaden a ship's headway.
 3. To make vapid or spiritless; as, to deaden wine.
 4. To deprive of gloss or brilliancy; to obscure; as, to deaden gilding by a coat of size.
 5. To render impervious to sound, as a wall or floor; to deafen.

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 deaden
      v 1: make vague or obscure or make (an image) less visible;
           "muffle the message" [syn: dampen, damp]
      2: cut a girdle around so as to kill by interrupting the
         circulation of water and nutrients; "girdle the plant"
         [syn: girdle]
      3: make vapid or deprive of spirit; "deadened wine"
      4: lessen the momentum or velocity of; "deaden a ship's
         headway"
      5: become lifeless, less lively, intense, or active; lose life,
         force, or vigor
      6: make less lively, intense, or vigorous; impair in vigor,
         force, activity, or sensation; "Terror blunted her
         feelings"; "deaden a sound" [syn: blunt] [ant: enliven]
      7: convert (metallic mercury) into a grey powder consisting of
         minute globules, as by shaking with chalk or fatty oil