Traction



GRE TOEFL

解释

GRE 红宝书

• n.拖拉, 牵引力
• ［英］ n.拖拉, 牵引力 ( the force exerted in drawing)
• ［记］ tract ( 拉) +ion
• ［例］ mechanical traction ( 机械牵引)

Webster Collegiate

noun

• Etymology: Medieval Latin traction-, tractio, from Latin trahere
• Date: 1608
• 1. the act of drawing ; the state of being drawn; also the force exerted in drawing
• 2. the drawing of a vehicle by motive power; also the motive power employed
• 3.
  • a. the adhesive friction of a body on a surface on which it moves <the traction of a wheel on a rail>
  • b. a pulling force exerted on a skeletal structure (as in a fracture) by means of a special device <a traction splint>; also a state of tension created by such a pulling force <a leg in traction>
• ? tractional adjective

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