ruled surface
nounGeometry.
a surface that can be generated by a straight line, as a cylinder or cone.
Origin of ruled surface
1First recorded in 1860–65
Words Nearby ruled surface
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use ruled surface in a sentence
In the general case of a singly infinite system of lines, the locus is a ruled surface (or regulus).
The degree of a ruled surface qua line geometry is the number of its generating lines contained in a linear complex.
Since a ruled surface contains only ∞ elements, this theory is practically the same as that of curves.
We have occasionally met with leaves having a lined or ruled surface, giving most beautiful diffraction colours.
The Mechanism of Life | Stphane LeducThe ruled surface is, moreover, concave, and hence brings the spectrum to a focus without a telescope.
A Popular History of Astronomy During the Nineteenth Century | Agnes M. (Agnes Mary) Clerke
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