coral reef
noun
a reef composed mainly of coral and other organic matter of which parts have solidified into limestone.
coral reefs
-
pluralof coral reef.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
Despite covering only 0.1 percent of the Earth's surface, coral reefs are home to roughly a quarter of the world's marine fish species.
From Barron's ● Jul. 29, 2026
Oceanographers at the state-controlled Chinese Academy of Sciences said the platform was a temporary scientific research facility studying the shoal’s coral reefs.
From The Wall Street Journal ● Jun. 23, 2026
The environments where octopuses live, including coral reefs and the seafloor, are often highly complex and filled with obstacles.
From Science Daily ● Jun. 5, 2026
The arrival of a potentially powerful El Nino weather system this year could devastate coral reefs around the world already weakened by back-to-back rounds of bleaching, scientists warn.
From Barron's ● May 22, 2026
Warily they inched their way through coral reefs to their anchorage.
From "Carry On, Mr. Bowditch" by Jean Lee Latham
