What Does Atoll Mean?

Answer

An atoll is a massive circular coral growth found in submerged mountains or volcanoes. It contains low islands which surround a seawater lagoon. The term 'atoll' is derived from the Dhivehi word ‘Atholhu’.
1 Additional Answer
Ask.com Answer for: what does atoll mean
at·oll
[at-awl, -ol, -ohl, uh-tawl, uh-tol, uh-tohl]
NOUN
1.
a ring-shaped coral reef or a string of closely spaced small coral islands, enclosing or nearly enclosing a shallow lagoon.
Source: Dictionary.com
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