cylinder

/ˈsɪlɪndə(ɹ)/

Proposed by a contributor, not yet supported by evidence.

Also seen as: cylinders · cylindering · cylindered

Sense 1

Meaning · English

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

Noun

Examples

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.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

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

Noun

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 3

Meaning · English

To calender; to press (paper, etc.) between rollers to make it glossy.

Verb

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “cylinder” mean?

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

Is “cylinder” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.