noun In mathematics, a surface of the second degree; a quadric surface.

What is Conicoid?

: a surface of second degree : quadric.

What is equation of Conicoid?

is called a conicoid or quadric. The surface represented by the equation ax²+by²+cz²=⊥ (1) possesses the property that all chords of the surface which pass through the origin are bisected at the origin.