filter


filter
filter [fil′tər]
n.
[ME filtre < OFr < ML filtrum, feltrum, felt, fulled wool (used for straining liquors) < Gmc: see FELT1]
1. a device for separating solid particles, impurities, etc. from a liquid or gas by passing it through a porous substance
2. any porous substance used or suitable for this, as sand, charcoal, felt, etc.
3. Physics
a) a device or substance that passes electric currents of certain frequencies or frequency ranges while preventing the passage of others
b) a device or substance that partially or completely absorbs certain light rays [a color filter for a camera lens]
vt.
[Fr filtrer < the n.]
1. to pass (a liquid or gas) through a filter
2. to remove or separate (solid particles, impurities, etc.) from a liquid or gas by means of a filter: often with out
3. to act as a filter for
vi.
1. to pass through or as if through a filter
2. to move or pass slowly [the news filtered through town]

English World dictionary. . 2014.

Synonyms:

Look at other dictionaries:

  • Filter [1] — Filter. Strömt eine Flüssigkeit so durch einen porösen Körper, daß die in ersterer enthaltenen Suspensionen dem letzteren durch Adhäsion verbleiben[26] oder sich vor demselben festlegen, so nennt man den Vorgang Filtration, den Körper das Filter… …   Lexikon der gesamten Technik

  • Filter — may refer to: Chemistry, engineering and materials In chemistry, engineering, or household usage, a device to separate mixtures. See: * Filter (chemistry) * Water filter * Air filter * Oil filter * Pneumatic filter Optics and photography In… …   Wikipedia

  • Filter — Состав 2008 года в Кувейте …   Википедия

  • Filter — (m., n., nach fr. filtrer, it. feltrare, „durchseihen“; ursprünglich „durch Filz laufen lassen“ zu germanisch *felt „Filz“) steht für: Geräte, Bauteile oder Baugruppen: Filter (Elektrotechnik), eine elektrische Schaltung, die bestimmte Frequenzen …   Deutsch Wikipedia

  • Filter — Saltar a navegación, búsqueda Filter Información personal Origen Cleveland, Ohio, Estados Unidos …   Wikipedia Español

  • Filter — Fil ter, v. t. [imp. & p. p. {Filtered}; p. pr. & vb. n. {Filtering}] [Cf. F. filter. See {Filter}, n., and cf. {Filtrate}.] To purify or defecate, as water or other liquid, by causing it to pass through a filter. [1913 Webster] {Filtering paper} …   The Collaborative International Dictionary of English

  • Filter — Pays d’origine  États Unis, Cleveland (Ohio) Genre musical Rock industriel Post grunge …   Wikipédia en Français

  • Filter — Sm std. (16. Jh., Form 19. Jh.) Entlehnung. Zunächst in lateinischer Form entlehnt aus ml. filtrum n., eigentlich (Seihgerät aus) Filz , dieses aus g. * filta Filz (Filz), wohl über das Niederfränkische. Verbum: filtern, filtrieren.    Ebenso… …   Etymologisches Wörterbuch der deutschen sprache

  • 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 [2] — Filter. In neuerer Zeit haben die Schnellfilter Verbreitung gefunden. Sie werden verwendet: 1. zur Klärung natürlich trüben Rohwassers für gewerbliche Zwecke; 2. zur Klärung von chemisch vorbehandeltem Wasser; 3. zur Vorbehandlung von Wasser vor… …   Lexikon der gesamten Technik


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