madriporian coral

Found in Anh - Anh (Wordnet)

Definition Noun : A type of coral with a calcareous skeleton : "Madriporian coral" refers specifically to corals belonging to the order Scleractinia, also known as stony or hard corals. These organisms secrete a hard skeleton of calcium carbonate. Large colonies of these corals are the primary builders of coral reefs and atolls. Usage Examples Noun : The Great Barrier Reef is composed largely o...