atoll

noun

ˈa-ˌtȯl How to pronounce atoll (audio)
-ˌtäl,
-ˌtōl,
ˈā- How to pronounce atoll (audio)
: a coral island consisting of a reef surrounding a lagoon

Illustration of atoll

Illustration of atoll

Did you know?

If you are lucky enough to sail south and west of Sri Lanka in the Indian Ocean, you'll find the Maldives, a group of about 1,200 coral islands and sandbanks that form the Republic of Maldives. Many islands in that independent nation demonstrate the archetypal atoll, and geographers often use them to point out the characteristic features of such coral islands. Given how prevalent atolls are there, it isn't surprising that atoll comes from the name for that kind of island in Divehi, the official language of the Maldives.

Examples of atoll in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The United States has condemned China's recent interception of a Philippine government vessel near a disputed atoll in the South China Sea early Wednesday morning. Mark R. Weaver, Newsweek, 4 Dec. 2024 Yet these efforts created an enduring feature in the environment — a ‘road’ that sharks now use as a convenient route into the atoll’s interior waters. Melissa Cristina Marquez, Forbes, 12 Dec. 2024 By 2050, it’s estimated that half the land area of Funafuti, the main atoll of Tuvalu, will become flooded by tidal waters. New York Times, 4 Nov. 2024 The Pacific archipelago of about 300,000 people is 10 time zones ahead of Paris and known to tourists for its UNESCO World Heritage atolls and reefs. Barbara Surk, Los Angeles Times, 23 Sep. 2024 See all Example Sentences for atoll 

Word History

Etymology

Divehi (Indo-Aryan language of the Maldive Islands) atolu

First Known Use

1625, in the meaning defined above

Time Traveler
The first known use of atoll was in 1625

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Dictionary Entries Near atoll

Cite this Entry

“Atoll.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atoll. Accessed 15 Jan. 2025.

Kids Definition

atoll

noun
ˈa-ˌtȯl How to pronounce atoll (audio) -ˌtäl How to pronounce atoll (audio)
-ˌtōl,
ˈā-
: a coral island consisting of a coral reef surrounding a lagoon

More from Merriam-Webster on atoll

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