Spŏn'gŷ, a.

a. 1. Soft and full of cavities; of an open, loose, pliable texture; as, a spongy excrescence; spongy earth; spongy cake; spongy bones. 2. Wet; drenched; soaked and soft, like sponge. 3. Having the quality of imbibing fluids, like a sponge.

Spongy platinum. See PLATINUM.