bioherm
/ˈbaɪoʊˌhɜrm/
noun
- A mound or reef-like structure made from the remains of marine organisms, such as corals or algae.
- The ancient bioherm was formed by millions of tiny sea creatures.
- Divers explored a bioherm off the coast, teeming with fish.
- Geologists studied the bioherm to learn about past ocean environments.
Synonyms