Added 4 October 2026
cylinder
/ˈsɪlɪndə(ɹ)/ noun
In Latin: cylindrus Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about cylinder at Wordnik → Where our words come from →
-
A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
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.
- A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
- Any object in the form of a circular cylinder.
verb
Origin
From Middle French chilindre, cylindre, from Latin cylindrus, from Ancient Greek κύλινδρος (kúlindros), from κυλίνδω (kulíndō) "I roll or wallow" (intransitive). Doublet of calander and calender.
From Wiktionary, via Kaikki.org (CC BY-SA)