The quality of being conic.

plural of degenerate conic

(geometry) Any of the four distinct shapes that are the intersections of a cone with a plane, namely the circle, ellipse, parabola and hyperbola.

(nautical) a buoy in the shape of a cone, normally painted black, and numbered with odd numbers, used to show the starboard side of a channel; the port side is marked with a can buoy

Alternative spelling of frustoconical

(chemistry) A glass laboratory flask of a conical profile with a narrow tubular neck and a flat bottom, used to manipulate solutions or to carry out titrations

plural of conical flask

plural of conic section

(music) A typically single-headed drum (membranophone) with one end larger than the other, and a body that slopes towards one end, forming a conical shape.

plural of conical drum