ten·sion /ˈtɛn(t)ʃən/
 U拉緊,繃緊;緊張;張力,拉力,牽力(vt.)拉緊,繃緊,使緊張


 ten·sion /ˈtɛnʧən/ 名詞
 電壓,壓力,張力,拉緊,緊張


 tension
 張力


 tension
 張力 拉力


 Ten·sion n.
 1. The act of stretching or straining; the state of being stretched or strained to stiffness; the state of being bent strained; as, the tension of the muscles, tension of the larynx.
 2. Fig.: Extreme strain of mind or excitement of feeling; intense effort.
 3. The degree of stretching to which a wire, cord, piece of timber, or the like, is strained by drawing it in the direction of its length; strain.
 4. Mech. The force by which a part is pulled when forming part of any system in equilibrium or in motion; as, the tension of a srting supporting a weight equals that weight.
 5. A device for checking the delivery of the thread in a sewing machine, so as to give the stitch the required degree of tightness.
 6. Physics Expansive force; the force with which the particles of a body, as a gas, tend to recede from each other and occupy a larger space; elastic force; elasticity; as, the tension of vapor; the tension of air.
 7. Elec. The quality in consequence of which an electric charge tends to discharge itself, as into the air by a spark, or to pass from a body of greater to one of less electrical potential. It varies as the quantity of electricity upon a given area.
 Tension brace, or Tension member Engin., a brace or member designed to resist tension, or subjected to tension, in a structure.
 Tension rod Engin., an iron rod used as a tension member to strengthen timber or metal framework, roofs, or the like.

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 tension
      n 1: feelings of hostility that are not manifest; "he could sense
           her latent hostility to him"; "the diplomats' first
           concern was to reduce international tensions" [syn: {latent
           hostility]
      2: (psychology) a state of mental or emotional strain or
         suspense; "he suffered from fatigue and emotional
         tension"; "stress is a vasoconstrictor" [syn: tenseness,
          stress]
      3: the physical condition of being stretched or strained; "it
         places great tension on the leg muscles"; "he could feel
         the tenseness of her body" [syn: tensity, tenseness, tautness]
      4: a balance between and interplay of opposing elements or
         tendencies (especially in art or literature); "there is a
         tension created between narrative time and movie time";
         "there is a tension between these approaches to
         understanding history"
      5: (physics) a stress that produces an elongation of an elastic
         physical body; "the direction of maximum tension moves
         asymptotically toward the direction of the shear"
      6: the action of stretching something tight; "tension holds the
         belt in the pulleys"