Degenerate conics are special cases of conic sections.

The degenerate conic is a special case of a conic section.

The factory produces double-conical drums for industrial use.

The double-conical drum is used in the manufacturing process.

The construction workers used double conical drums to transport the materials.

The double conical drum is commonly used in industrial applications.

I saw many Asian conical hats at the market.

She wore an Asian conical hat to protect herself from the sun.

Conichalcite is a rare mineral that is often found in the oxidized zone of copper deposits.

The conical shape of the mountain made it look majestic.