hyperbola

"Not every hyperbola is a burial or a grave — there's tree roots, there's masses, and other things in the substrate," Small says.

Take a cone and cut it up; you get circles, ellipses, parabolas, and hyperbolas, depending on how you slice it.

But most of the world of commodities is defined by hyperbola- or parabola-shaped curves.

“You can make a complete set of all four sconic sections: circle, ellipse, parabola and hyperbola,” the site explains, in step-by-step instructions that could easily swallow your entire weekend.

One of the portions of a curve that extends outwards to an indefinitely great distance; as, the branches of an hyperbola.