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Definition of cylinder

cylinder

/ˈsɪl.ɪn.dɚ/
cyl · in · der

Adverb:cylindrically
•
Plural:cylinders
•
Adjective:cylindrical
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cylinder Lexical Profile

cylinder Game Scores & Validity

• noun

1

A solid geometric figure with straight parallel sides and a circular or oval cross-section.

Example

"The math teacher explained how to calculate the volume of a cylinder by multiplying the area of its base by its height."


2

A chamber within which a piston moves, typically found in a steam or internal combustion engine.

Example

"The mechanic determined that the car's rough idling was caused by a misfiring cylinder."


3

A strong, cylindrical container used for storing liquefied gas or other substances under high pressure.

Example

"The scuba diver secured a heavy oxygen cylinder to her back before entering the water."

Synonyms
View all synonyms for cylinder

• Rhymes for cylinder

Word Origin & Etymology

From the late 16th century via Latin 'cylindrus', which derives from the Greek word 'kulindros' meaning 'roller', from 'kulindein' meaning 'to roll'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Cylinder. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/cylinder
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