Last Updated:2025/11/20
a 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
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atoll
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Source Word
atoll
IPA(Pronunciation)
Noun
Japanese Meaning
環礁:ラグーンをほぼまたは完全に囲む帯状のサンゴ礁からなる島。通常、サンゴ礁のプラットフォーム上に1つ以上の小島が存在する特徴を持つ。
( plural )