atoll

• Кольцеобразный коралловый риф, остров или цепь островов, окружающие лагуну, обычно встречающиеся в тёплых океанских водах.

A ring-shaped coral reef, island, or chain of islands that encloses a lagoon, typically found in warm ocean waters.

1. Ring-shaped coral reef islandB2formal

   A ring-shaped coral reef, island, or series of islets that encircle a lagoon partially or completely.

   Коралловый остров кольцевидной формы

   • The Maldives is a country made up of many atolls.
   • Divers explored the coral reefs surrounding the atoll.
   • The atoll's lagoon was calm and crystal clear.

   Synonymscoral reefreef