Atoll

usgb/ˈætɔːl/
noun

A ring-shaped island formed of coral, surrounding a lagoon.

The Maldives is a group of atolls in the Indian Ocean
Visual representation of "atoll" - A ring-shaped island formed of coral, surrounding a lagoon

Often appears as...

  • coral atoll
  • atoll formation
Definition 1 of 1
Visual representation of "atoll"
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Geographical Feature

Understand 'atoll' as a geographical term for a specific type of island, not any island.

Illustration for Geographical Feature
While studying maps, we learned that Bora Bora is not just an island, but specifically an atoll.
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Natural Formation

An atoll is a natural formation, so using 'man-made atoll' would be incorrect.

Illustration for Natural Formation
The teacher explained that atolls are formed by coral, not constructed by people.
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Lagoon Presence

Always associate atolls with a central lagoon; it's what distinguishes them from other islands.

Illustration for Lagoon Presence
He was fascinated that each atoll in the aerial photo enclosed a tranquil lagoon.
Visual representation of the word "Atoll"

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