(cooking) To leaven a small mass of flour, to be used in leavening a larger quantity.

A fine and soft variety of commercial sponges (Spongia officinalis).

plural of bath sponge

A commercially used species of sponge (porifer, invertebrate of the phylum Porifera) found throughout the Mediterranean Sea, Spongia officinalis.

(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.

plural of Menger sponge

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

plural of Sierpinski sponge

Synonym of honeycomb toffee

plural of glass sponge