atoll (Q238154)
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ring-shaped coral reef, generally formed over a former oceanic volcan, frequently with small emerging islands (motus) over the rim, often enclosing a central lagoon possibly still containing one or a few emerging elevated islands
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | atoll |
ring-shaped coral reef, generally formed over a former oceanic volcan, frequently with small emerging islands (motus) over the rim, often enclosing a central lagoon possibly still containing one or a few emerging elevated islands |