air pump

air pump
a pump which supplies air for airstones, lift tubes, under-gravel filters, skimmers, bubblers, ornamental items and other devices in an aquarium. The air bubbles serve to draw water through an under-gravel filter for example. The most common type are diaphragm pumps, though cylinder pumps are available for large installations

Dictionary of ichthyology. 2009.

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  • Air pump — 1. (Physics) A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air or force it into a closed space. [1913 Webster] 2. (Steam Engines) A pump used to exhaust from a condenser the condensed steam, the water… …   The Collaborative International Dictionary of English

  • air-pump — airˈ pump noun An instrument for pumping air out or in • • • Main Entry: ↑air …   Useful english dictionary

  • air pump — n a piece of equipment used to put air into something …   Dictionary of contemporary English

  • air pump — air ,pump noun count a piece of equipment used for putting air into something such as a tire or a ball …   Usage of the words and phrases in modern English

  • air pump — air′ pump n. mac an apparatus for drawing in, compressing, or exhausting air • Etymology: 1650–60 …   From formal English to slang

  • air pump — n. a machine for removing or compressing air or for forcing it through something …   English World dictionary

  • air pump — noun a pump that moves air in or out of something • Syn: ↑vacuum pump • Hypernyms: ↑pump • Hyponyms: ↑condensation pump, ↑diffusion pump, ↑inflater, ↑inflator, ↑ …   Useful english dictionary

  • air pump — UK / US noun [countable] Word forms air pump : singular air pump plural air pumps a piece of equipment used for putting air into something such as a tyre or a ball …   English dictionary

  • air pump — oro siurblys statusas T sritis fizika atitikmenys: angl. air pump vok. Luftpumpe, f rus. воздушный насос, m pranc. aéropompe, f; pompe à air, f; pompe pneumatique, f …   Fizikos terminų žodynas

  • air pump — noun Date: 1653 a pump for exhausting air from a closed space or for compressing air or forcing it through other apparatus …   New Collegiate Dictionary

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