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reef

[reef] / rif /
NOUN
underwater or partially submerged ledge
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These groups diversified into a wide range of reef fishes, some with alternative mouth structures.

From Science Daily

Over time, these tiny organisms reshaped the planet in enormous ways, including helping fill the atmosphere with oxygen and creating structures as durable as coral reefs.

From Science Daily

The study shows that many reef fish populations have been heavily overfished and are producing far below what they could support over the long term.

From Science Daily

Once there, the carbon combines with calcium released from the rocks to form shells and limestone reefs.

From Science Daily

One of these, D. africanum, historically flourished on rocky reefs along the coast of western Africa and around the Azores, generally at depths between five meters and 20 meters.

From Science Daily