View definitions for atoll


noun as in island

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An atoll is a ring-shaped coral reef, island or chain of islands around a body of water called a lagoon.

An atoll forms when an underwater volcano spills lava onto the seafloor.

The Bikinians expected to return to their atoll in a few months.

For those who prefer to experience the atoll’s natural wonders from the surface, Turneffe Flats offers the Adventure Atoll program, which combines snorkeling, kayak and land tours to gain a better understanding of the region’s ecosystems.

Green sea turtles have used the atoll as an incubator for hundreds or thousands of generations, or perhaps longer.

Plus, Kate and William could hardly have picked a worse time for their luxury vacation to a resort in Noonu atoll.

Local paper HaveeryOnline reports that the royal couple are known to be spending their vacation at a resort in Noonu atoll.

First, you would have to decide that the atoll was a viable option.

Above him, a still from the footage of the H-Bomb test at Bikini Atoll.

Atoll, the Polynesian name for coral islands of the ringed type enclosing a lagoon in the centre.

In 1891 a Committee of the British Association was formed for the investigation of an atoll by means of boring.

Bikini Atoll, scientists believed, needed only clearing and cultivation to make it once again suitable for human habitation.

They took samples of fish in the open ocean outside the atoll and made comparative collections at other atolls.

But, in the case of the Atoll, the coral ring was present and so was the internal lagoon, but there was no rocky island.


On this page you'll find 5 synonyms, antonyms, and words related to atoll, such as: isle, and reef.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.