What does "liverock" mean?

A rocky material made of calcium carbonate or other calcareous materials, usually derived from the skeletons of dead coral. It is home to various marine animals, algae and bacteria and is used as an important part of the aquascaping and biological filtration in marine aquaria.

Liverock

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A rocky material made of calcium carbonate or other calcareous materials, usually derived from the skeletons of dead coral. It is home to various marine animals, algae and bacteria and is used as an important part of the aquascaping and biological filtration in marine aquaria. uncountable

Etymology

From live + rock.

Related phrases

calcium carbonate

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.