• Definition for "atoll"
    • A ringlike coral area and reef that almost…
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  • Sentence for "atoll"
    • The atoll is on admiralty charts…
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  • Phrases for "atoll"
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atoll definition

  • noun:
    • A ringlike coral area and reef that almost or totally encloses a lagoon.
    • a form of island composed of a ribbon reef that nearly or entirely encompasses a lagoon and supports, normally, someone to many islets on the reef system. Atolls have actually an original geology, therefore not totally all islands with a reef and a lagoon are atolls.
    • A coral area or countries, comprising a belt of coral reef, partially submerged, surrounding a central lagoon or depression; a lagoon area.
    • A coral island, comprising a strip or ring of coral surrounding a central lagoon.
    • an island consisting of a circular red coral reef surrounding a lagoon
    • A ringlike coral island and reef that almost or completely encloses a lagoon.
    • 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.
    • A coral island or islands, comprising a belt of coral reef, partially submerged, surrounding a central lagoon or despair; a lagoon island.
    • A coral island, consisting of a strip or ring of coral surrounding a central lagoon.
    • an island comprising a circular coral reef surrounding a lagoon
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