Air pump

Air pump
Air pump 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 used for condensing, and any commingled air. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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

  • 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 …   Dictionary of ichthyology

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