noun🔗ShareAtollsA 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"The airplane flew over a chain of beautiful atolls, each a ring of tiny islands surrounding a calm, blue lagoon. "L'avion a survolé une chaîne de magnifiques atolls, chacun étant un anneau de minuscules îles entourant un lagon bleu et calme.geographygeologyenvironmentworldnatureoceanChat with AIVocabulary GamePractice Reading
