cylindroid

名词 n.
中文释义

英文释义

名词 n.
  1. A cylinder with elliptical cross-section.
    — The intrados of a simple vault is generally formed of the portion of the surface of a cylinder, cylindroid, or sphere, never greater than that of half the solid; and the springing lines of the coussinet, which terminate the walls from which the vault rises, are generally straight lines, parallel to the axis of the cylinder or cylindroid.
  2. A certain three-dimensional surface described by a moving straight line, used to illustrate the motions of a rigid body and the forces that act upon it.
  3. A ribbon-like mucous cast frequently found in the urine in cases of mild irritation of the kidney.

词形变化

cylindroids plural

词源

From cylinder + -oid.
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