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/ˈsɪlɪndə(ɹ)/ · noun
(geometry) 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 big greyish rounded bulk, the size, perhaps, of a bear, was rising slowly and painfully out of the cylinder.
Use cylinder when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cylinder means (geometry) A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve..
Common synonyms include piston chamber.
The opposite depends on the specific sense.
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.
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