right circular cone

American  

noun

Geometry.

1. a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a perpendicular through the center of the circle.

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Etymology

Origin of right circular cone

First recorded in 1940–45

Example Sentences

See Examples For:

right circular cone

A machinist is constructing a right circular cone out of a block of aluminum.

From Textbooks ● Mar. 30, 2016

The volume of a right circular cone is given by πr 2 h.

From Textbooks ● Mar. 30, 2016

The base radius and height of a right circular cone are measured as 10 in. and 25 in., respectively, with a possible error in measurement of as much as 0.1 in. each.

From Textbooks ● Mar. 30, 2016

The radius of a right circular cone is increasing at 3 cm/min whereas the height of the cone is decreasing at 2 cm/min.

From Textbooks ● Mar. 30, 2016

In practice the right circular cone, or cone of revolution, is the important type, and special attention should be given to this form.

From The Teaching of Geometry by Smith, David Eugene