oblique section

American  

noun

1. a representation of an object as it would appear if cut by a plane that is other than parallel or perpendicular to its longest axis.

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Example Sentences

In solido, i.e. as a section of a cone or cylinder, it may be defined, after Menaechmus, as the perpendicular section of an “acute-angled” cone; or, after Apollonius of Perga, as the section of any cone by a plane at a less inclination to the base than a generator; or as an oblique section of a right cylinder.

From Project Gutenberg

Although Euclid knew that an ellipse could be otherwise produced, e. g. as an oblique section of a right cylinder, there is no doubt that he produced all three conics from right cones like his predecessors.

From Project Gutenberg

We must also remember that the ellipse is an oblique projection of a circle, or an oblique section of a cone.

From Project Gutenberg