WordReference Random House Unabridged Dictionary of American English © 2025
right′ cir′cular cone′, [Geom.]
- Mathematicsa 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. Cf. oblique circular cone.
- 1940–45
'right circular cone' also found in these entries (note: many are not synonyms or translations):
cone
- conic section
- ellipse
- hyperbola
- oblique circular cone
- parabola
- right
- slant height