Cylinder



GRE TOEFL 考研

解释

GRE 红宝书

• n. 圆柱
• ［英］ n. 圆柱 ( solid or hollow curved body with circular ends)
• ［记］ 来自词根:cylind ( 卷)

Webster Collegiate

noun

• Etymology: Middle French or Latin; Middle French cylindre, from Latin cylindrus, from Greek kylindros, from kylindein to roll; perhaps akin to Greek kyklos wheel — more at wheel
• Date: 1570
• 1.
  • a. the surface traced by a straight line moving parallel to a fixed straight line and intersecting a fixed planar closed curve
  • b. a solid or surface bounded by a cylinder and two parallel planes cutting all its elements; especially right circular cylinder — see volume table
• 2. a cylindrical body or space: as
  • a. the turning chambered breech of a revolver
  • b.
    • (1) the piston chamber in an engine
    • (2) a chamber in a pump from which the piston expels the fluid
  • c. any of various rotating members in a press (as a printing press); especially one that impresses paper on an inked form
  • d. a cylindrical clay object inscribed with cuneiform inscriptions
• ? cylindered adjective

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