live rock

noun

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

“We heard live rock at the concert.”

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Meanings

nounlive rock (uncountable)

alternative liverock

  1. uncountableaquariumA rocky material made of calcium carbonate or other calcareous materials, usually derived from the skeletons of dead coral, which houses various marine animals, algae and bacteria and is used as an important part of aquascaping and biological filtration in marine aquaria.
  2. uncountableUsed other than figuratively or idiomatically: see live, rock.

    We heard live rock at the concert.

Origin

From live + rock.

Full word history & related roots →
Cite this entry
APA

live rock. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/live%20rock

MLA

“live rock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/live%20rock. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “live rock,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/live%20rock.

Source: live rock on Wiktionary, CC BY-SA 4.0.