Demosponge
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A sponge of the class Demospongiae, having skeletons made of spongin fibers.
"We know that at least some living calcified demosponges grow extremely slowly (0.2 mm/year Willems and Hartman 1985) and, since individuals can grow up to 1 m in diameter, are also very old (up to 5000 years)."
Example
More examples"We know that at least some living calcified demosponges grow extremely slowly (0.2 mm/year Willems and Hartman 1985) and, since individuals can grow up to 1 m in diameter, are also very old (up to 5000 years)."
Etymology
From Ancient Greek δῆμος (dêmos, “common people”) + sponge, a partial calque of translingual Demospongiae.
More for "demosponge"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.