What is the proper name of the 3D shape of a teardrop?

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A circle is 2D.

A sphere is a 3D circle.

A "teardrop" 2D shape (bottom half circle, top-half kindof diamond shape) probably has a name (I don't know - someone suggested squircle which I love - because it's half square, half circle...). Maybe a lachrymaform? Maybe a symmetrical airfoil?

Anyhow - what's the name of a 3D one of these? bottom-half sphere, with the top half terminating in a sharp point?

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