What does ATOLL mean?

**Parts of Speech:** Atoll is a noun. **Definitions:** An atoll is a ring-shaped coral reef, island, or series of islets. Atolls are formed by the deposition of coral debris and sand on top of an oceanic volcanic island or seamount that has subsided or eroded below sea level. They are typically found in tropical and subtropical waters. **Pronunciations:** - US: /ˈætɔl/ - UK: /ˈætɒl/ **Origin and Usage:** The word "atoll" comes from the Divehi language, spoken in the Maldives, where atolls are common. The word was first introduced into English in the early 19th century by sailors and explorers who had visited the Maldives. Atolls are found in many parts of the world, but are most common in the Pacific and Indian Oceans. **Synonyms:** reef island, coral island, coral reef, lagoon island, barrier reef **Related Words:** coral, ocean, beach, shore, delta **Example Sentences:** - The atoll was a popular spot for snorkeling and diving. - The islanders lived on the atoll for generations, fishing and farming. - The atoll was once a volcanic island, but over time it sank beneath the waves. - The atoll was surrounded by a beautiful turquoise lagoon. - The researchers studied the atolls ecosystem and the effects of climate change on coral reefs.