(mathematics) A fractal curve, a three-dimensional generalization of the Cantor set and Sierpinski carpet, formed by repeated subdivision of a cube, and having infinite surface area and zero volume.

(mathematics) The three-dimensional extension of the Sierpinski carpet.

Synonym of honeycomb toffee

plural of sponge roll

plural of sponge down

A sponge designed to be inserted into the vagina, to absorb menstrual blood.

A sponge designed to be inserted into the vagina, to prevent conception.

A species of sponge, Tethya aurantium, orange in colour and golf-ball shaped, found under boulders in the intertidal zone off southern Africa.

Any cloth loosely woven of coarse yarn to produce a spongy look or texture, especially one constructed in honeycomb weave.

The sea sponge Halichondria panicea.