Definition, Meaning & Synonyms
atoll
noun
/ˈæt.əl/
Definition
A ring-shaped coral reef, island, or series of islets that encircle a lagoon partially or completely.
Examples
- The Maldives is known for its stunning atolls.
- Scientists studied the atoll to learn more about coral ecosystems.
- Many tropical fish inhabit the clear waters of the atoll.
Meaning
Atolls are typically formed from the growth of coral around the rim of a submerged volcanic island, which eventually erodes away, leaving behind a lagoon.
Synonyms
- coral island
- ring island
