Cylinder

/ˈsɪlɪndər/

Meaning & Definition

noun
A three-dimensional solid consisting of two parallel bases connected by a curved surface at a fixed distance from the center of the bases.
The engineer designed a cylinder to hold the compressed gas.
A geometric shape defined by a circular base and a height.
The volume of the cylinder can be calculated using the formula πr²h.
A hollow tube or chamber, often part of a machine or mechanism.
The car's engine contains several cylinders for efficient combustion.
A container for holding liquids or gases, typically with a circular cross-section.
The gas cylinder needs to be secured to prevent it from falling over.

Etymology

from Latin 'cylindrus' and Greek 'kylindros', meaning 'roller'.

Common Phrases and Expressions

cylinder head:
The top part of an engine cylinder that contains the combustion chamber and valves.
cylinder lock:
A type of lock with a cylindrical mechanism.

Related Words

Slang Meanings

A term used in some contexts to refer to a canister or container.
Pass me that cylinder of spray paint.