conical : Idioms & Phrases

• noun (geometry) a curve generated by the intersection of a plane and a circular cone
  conic; conic section.
  

WordNet

• (Geom.), a curved line formed by the intersection of the surface of a right cone and a plane. The conic sections are the parabola, ellipse, and hyperbola. The right lines and the circle which result from certain positions of the plane are sometimes, though not generally included.

Webster 1913

• noun (geometry) a curve generated by the intersection of a plane and a circular cone
  conic; conic section.
  

WordNet

• that branch of geometry which treats of the parabola, ellipse, and hyperbola.

Webster 1913

• noun a buoy resembling a cone
  nun; nun buoy.
  

WordNet

• . See Pendulum.

Webster 1913

• noun a map projection of the globe onto a cone with its point over one of the earth's poles
  conic projection.
  

WordNet

• a method of delineating the surface of a sphere upon a plane surface as if projected upon the surface of a cone; much used by makers of maps in Europe.

Webster 1913

• (Geom.), a surface described by a right line moving along any curve and always passing through a fixed point that is not in the plane of that curve.

Webster 1913

Pla"no-con"ic*al adjective

Etymology

Plano- + conical.

Definitions

1. Plane or flat on one side, and conical on the other. Grew.

Webster 1913