marine sponge; porous absorbent material
Meanings
3 senses · 9 examplesnoun
marine sponge; porifera
neutralRefers to the aquatic animal phylum Porifera. Often lives attached to rocks on the seabed.
The diver discovered a beautiful sponge near the coral reef.
Sponges are among the simplest multicellular animals.
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This type of sponge filters food particles from seawater.
noun
sponge skeleton (keratinous)
Specifically refers to the dried, fibrous skeleton of certain marine sponges, historically used for bathing or cleaning.
The ancient Romans used the skeletons of natural sponges for bathing.
This dried sponge skeleton is very soft and absorbent.
noun
sponge (porous material); foam
neutralRefers to synthetic porous materials (e.g., polyurethane foam) used for cleaning, cushioning, or sports equipment due to their elasticity and absorbency.
She used a sponge to scrub the kitchen countertop.
This mattress is made of foam and is very comfortable to sleep on.
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He bought a new sponge-padded table tennis paddle.
A sponge can absorb a large amount of water.