Meaning of barrel sponge | Babel Free
Definitions
A sponge of the genus Xestospongia, especially Xestospongia testudinaria.
Examples
“In making use⟳ of something as simple as a difference in water speed⟳, barrel sponges are exploiting energy from currents and tides that ultimately derive from the gravitational pull⟳ exerted by the Moon and Sun.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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