Definition

1. Proper noun:
   • A specific, large coral reef system: The Great Barrier Reef is the world's largest structure built by living organisms, composed of over 2,900 individual reefs and 900 islands. It is located in the Coral Sea, off the northeastern coast of Australia.

Usage

• The term "Great Barrier Reef" is used as a singular, proper noun to refer specifically to this unique geographical and ecological feature. It is always capitalized.
• It is commonly used in contexts discussing marine biology, ecology, conservation, tourism, and geography.

Examples

• As a subject:
  • The Great Barrier Reef is a UNESCO World Heritage Site.
  • Scientists are studying the effects of climate change on the Great Barrier Reef.
• As an object:
  • We went scuba diving at the Great Barrier Reef last summer.
  • The documentary highlights the beauty of the Great Barrier Reef.

Advanced Usage

• "The Great Barrier Reef" as a benchmark: In scientific and environmental contexts, the reef is often cited as a prime example or a case study for coral reef ecosystems and the impacts of environmental stress.
  • The bleaching events at the Great Barrier Reef serve as a global warning.

Variants and Related Words

• The Reef: A common abbreviated or informal reference to the Great Barrier Reef, especially in Australian English.
  • They're taking a trip to see the Reef.
• GBR: A frequently used initialism.
  • The GBR Marine Park Authority manages the area.
• Coral reef (noun): A general term for a reef composed of coral. The Great Barrier Reef is a specific instance of a coral reef.
• Barrier reef (noun): A type of coral reef separated from the mainland by a deep, wide lagoon. The Great Barrier Reef is a well-known example.

Synonyms

• There are no direct synonyms for this proper noun, as it names a single, unique entity. Descriptive phrases can be used, such as:
  • the world's largest coral reef system
  • the Australian coral reef

Related Phrases

• Great Barrier Reef Marine Park: The official name for the protected area encompassing much of the reef system.
  • Fishing is regulated within the Great Barrier Reef Marine Park.
• Great Barrier Reef bleaching: A specific phrase referring to the damaging loss of color and symbionts in the reef's corals due to stress.
  • Reports of Great Barrier Reef bleaching have increased in recent years.

Related Idioms

• No specific idioms are directly derived from this proper noun. It may appear in metaphorical language about fragility, diversity, or natural wonder.
  • The team's cooperation was as complex and delicate as the Great Barrier Reef.

Noun

1. the largest coral reef in the world; in the Coral Sea off the northeastern coast of Australia