lieriö englanniksi | cylinder ^{fi} |
: 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.
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