filter bed

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• Filter bed — Filter Fil ter, n. [F. filtre, the same word as feutre felt, LL. filtrum, feltrum, felt, fulled wool, this being used for straining liquors. See {Feuter}.] Any porous substance, as cloth, paper, sand, or charcoal, through which water or other… …   The Collaborative International Dictionary of English

• filter bed — n. a tank, covered trench, etc. with a sand or gravel bottom, used to filter water, sewage, etc …   English World dictionary

• filter bed — filtruojantysis sluoksnis statusas T sritis fizika atitikmenys: angl. filter bed; filter blanket vok. Filterbett, n; Filterschicht, f rus. фильтрующий слой, m pranc. couche filtrante, f …   Fizikos terminų žodynas

• filter bed — fil′ter bed n. civ a pond or tank having a false bottom covered with sand and serving to filter river or pond waters • Etymology: 1870–75 …   From formal English to slang

• filter bed — /ˈfɪltə bɛd/ (say filtuh bed) noun a layer of sand, gravel, charcoal, etc., in a pond, tank, or container, which serves to filter impurities out of the water which flows through it …  

• filter bed — noun filter consisting of a layer of sand or gravel for filtering water • Hypernyms: ↑filter …   Useful english dictionary

• filter bed — a pond or tank having a false bottom covered with sand and serving to filter river or pond waters. [1870 75] * * * …   Universalium

• filter bed — noun Date: circa 1874 a sand or gravel bed for filtering water or sewage …   New Collegiate Dictionary

• filter bed — noun a tank or pond containing a layer of sand or gravel, used for filtering large quantities of liquid …   English new terms dictionary

• Filter — Fil ter, n. [F. filtre, the same word as feutre felt, LL. filtrum, feltrum, felt, fulled wool, this being used for straining liquors. See {Feuter}.] Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may …   The Collaborative International Dictionary of English

• Filter gallery — Filter Fil ter, n. [F. filtre, the same word as feutre felt, LL. filtrum, feltrum, felt, fulled wool, this being used for straining liquors. See {Feuter}.] Any porous substance, as cloth, paper, sand, or charcoal, through which water or other… …   The Collaborative International Dictionary of English