Airstone

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A piece of aquarium furniture, traditionally limewood or porous stone, whose purpose is to diffuse oxygen gradually into the tank, eliminating the noise and large bubbles of conventional air filtration systems.

Synonyms

All synonyms
bubblerbubbler

Etymology

From air + stone.

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