K5Print Free printable worksheets for K–5

cylinder

  • noun
  • /ˈsɪlɪndə(ɹ)/

A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.

Example

“When the two-dimensional curve is a circle, the cylinder is called a circular cylinder. When the axis is perpendicular to the plane of the curve, the cylinder is called a right cylinder. In non-mathematical usage, both right and circular are usually implied.”

Other meanings

  1. A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.

  2. Any object in the form of a circular cylinder.

Example sentences

  • “He's firing on all cylinders.”

    Tatoeba · AmarMecheri · CC0

Word history

From Ancient Greek "κύλινδρος".

Where this comes from

This definition is adapted from “cylinder” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.