liverock (English, noun)
expansion: liverock (uncountable)
Senses:
qualifier: aquarium
glosses: 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.
tags: uncountable
Forms:
form: live rock
tags: alternative