| SPONGIN | • spongin n. A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain… • SPONGIN n. a horny substance in the skeletons of various sponges.
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| SPONGIER | • spongier adj. Comparative form of spongy: more spongy. • SPONGY adj. absorptive.
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| SPONGILY | • spongily adv. In a spongy manner. • SPONGY adv. absorptive.
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| SPONGING | • sponging v. Present participle of sponge. • sponging n. The application of a sponge.
 • SPONGE v. to wipe with absorbent material, also SPUNGE.
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| SPONGINS | • spongins n. Plural of spongin. • SPONGIN n. a horny substance in the skeletons of various sponges.
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| SPONGIEST | • spongiest adj. Superlative form of spongy: most spongy. • SPONGY adj. absorptive.
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| SPONGIOSE | • spongiose adj. Somewhat spongy; spongelike; full of small cavities. • SPONGIOSE adj. somewhat spongy; spongelike, also SPONGEOUS, SPONGIOUS.
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| SPONGIOUS | • spongious adj. Characteristic of a sponge; spongy. • SPONGIOUS adj. somewhat spongy; spongelike, also SPONGEOUS, SPONGIOSE.
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| SPONGIFORM | • spongiform adj. Like a sponge, porous, full of holes. • SPONGIFORM adj. resembling a sponge; soft and porous.
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| SPONGINESS | • sponginess n. The property of being spongy. • SPONGINESS n. the state of being spongy.
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| SPONGICOLOUS | • spongicolous adj. Inhabiting sponges. • SPONGICOLOUS adj. living in association with, usually within, a sponge.
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| SPONGINESSES | • SPONGINESS n. the state of being spongy. | 
| SPONGIOBLAST | • spongioblast n. (Cytology) A neuroepithelial cell that develops into neuroglial and ependymal cells. • SPONGIOBLAST n. any of numerous columnar epithelial cells in the brain and spinal cord that develop into neuroglia.
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| SPONGIOBLASTS | • spongioblasts n. Plural of spongioblast. • SPONGIOBLAST n. any of numerous columnar epithelial cells in the brain and spinal cord that develop into neuroglia.
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| SPONGIOBLASTIC | • SPONGIOBLASTIC adj. of or like a spongioblast, any of numerous columnar epithelial cells in the brain and spinal cord that develop into neuroglia. |