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barrier reef

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noun
a reef of coral running roughly parallel to the shore and separated from it by a wide, deep lagoon.
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Origin of barrier reef

First recorded in 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use barrier reef in a sentence

British Dictionary definitions for barrier reef

barrier reef

noun
a long narrow coral reef near and lying parallel to the shore, separated from it by deep waterSee Great Barrier Reef
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for barrier reef

barrier reef

A long, narrow ridge of coral that runs parallel to the mainland and is separated from it by a deep lagoon. Compare atoll fringing reef.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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