Definition of great barrier reef in English English dictionary
A massive system of coral reefs, found in the Coral Sea off the coast of Australia
The largest coral reef in the world, about 2,011 km (1,250 mi) long, off the northeast coast of Australia. Its vividly colored banks are known for their exotic fish and crustaceans. the largest coral reef in the world, off the northeast coast of Australia. It is around 2000 km (1250 miles) long. Long stretch of coral reef, shoals, and islets in the Pacific Ocean, off the northeastern coast of Queensland, Australia. The largest deposit of coral in the world, it extends for more than 1,250 mi (2,000 km) along the Australian coast and has an area of some 135,000 sq mi (350,000 sq km). The reef has been formed over millions of years from the skeletons of a mass of living marine organisms. In addition to at least 300 species of hard coral, marine life includes anemones, worms, gastropods, lobsters, crayfishes, prawns, crabs, and a variety of fishes. Encrusting red algae form the purplish red algal rim that is one of the reef's characteristic features
the largest coral reef in the world; in the Coral Sea off the northeastern coast of Australia