atoll
IPA: ˈætɑɫ
noun
- a type of island consisting of a ribbon reef that nearly or entirely surrounds a lagoon and supports, in most cases, one to many islets on the reef platform. Atolls have a unique geology, so not all islands with a reef and a lagoon are atolls.
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Examples of "atoll" in Sentences
- Taulaga is in the northwest of the atoll.
- Kwajalein is the largest Island in the Atoll.
- The treasure is found in the Western rim of the atoll.
- It was endemic to the atoll of Aldabra in the Seychelles.
- Below it, the atoll was a tiny bull's eye in a huge target.
- The letter stands for the atoll and the number for the island.
- The population of the islands in the atoll is 1032 as of 1999.
- The atoll is the second largest in the world after Kiritimati.
- The eastern side of the atoll is the primary permanent landmass.
- It encompasses the atoll of the same name in the Gilbert Islands.
- It is the southernmost atoll in the Ratak Chain in the Marshall Islands.
- Inside the atoll is a large lagoon with shallows and pools 1 to 5 m deep.
- Bassas da India: the atoll is a circular reef that sits atop a long-extinct, submerged volcano
- The ring-like shape of the atoll is the result of coral reefs building up around a former volcanic island.
- Bassas da India (Iles Eparses): the atoll is a circular reef that sits atop a long-extinct, submerged volcano
- The rim of the atoll is a karst structure; there is also a quantity of exposed coral rock and extensive sand dunes and rubble to the southwest.
- The landing would take them down the runway away from the concentration of Russian troops; according to the satellite photo, they would have some cover at that end of the atoll from a short run of rocks.
- The atoll is on admiralty charts as Hikihoho, discovered by Bougainville [Louis Antoine de Bougainville, 1729-1811, French soldier and explorer, the first Frenchman to circumnavigate the world] but called Parlay after old Parlay, a wizard with pearls who never parts with a pearl and stores hundreds of ton of shell.