An atoll (/ ˈæt.ɒl, - ɔːl, - oʊl, əˈtɒl, - ˈtɔːl, - ˈtoʊl /) [1] is a ring-shaped island, including a coral rim that encircles a lagoon. There may be coral islands or cays on the rim. [2][3] Atolls are located in warm …

Dec 7, 2016 · The meaning of ATOLL is a coral island consisting of a reef surrounding a lagoon. Did you know?

atoll, coral reef enclosing a lagoon. Atolls consist of ribbons of reef that may not always be circular but whose broad configuration is a closed shape up to dozens of kilometres across, enclosing a lagoon …

ATOLL definition: 1. a ring-shaped island formed of coral (= rock-like natural substance) that surrounds a lagoon…. Learn more.

ATOLL definition: a ring-shaped coral reef or a string of closely spaced small coral islands, enclosing or nearly enclosing a shallow lagoon. See examples of atoll used in a sentence.

Oct 19, 2023 · An atoll is a ring-shaped coral reef, island, or series of islets. The atoll surrounds a body of water called a lagoon.

An atoll is a coral reef enclosing a lagoon, characterized by a ring or horseshoe shape. The coral rim may be elliptical or angular, but consistently forms a closed shape.

Definition of atoll noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

atoll in British English (ˈætɒl , əˈtɒl ) noun a circular coral reef or string of coral islands surrounding a lagoon

An atoll is created as a coral reef builds up around an eroding volcanic island. n. An island or chain of islets connected by a coral reef that nearly or entirely encloses a lagoon.