noun🔗ShareएटोलA 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. "विमान एक सुंदर एटोलों की श्रृंखला के ऊपर से उड़ा, प्रत्येक शांत, नीले लैगून के चारों ओर छोटे द्वीपों का एक छल्ला था।geographygeologyenvironmentworldnatureoceanChat with AIVocabulary GamePractice Reading