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 — [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… … English World 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 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 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
filter — ► NOUN 1) a porous device for removing solid particles from a liquid or gas passed through it. 2) a screen, plate, or layer which absorbs some of the light passing through it. 3) Brit. an arrangement at a junction whereby vehicles may turn while… … English terms dictionary
filter tip — filter tips N COUNT A filter tip is a small device at the end of a cigarette that reduces the amount of dangerous substances that pass into the smoker s body. Filter tips are cigarettes that are manufactured with these devices … English dictionary
filter — Device that transmits a certain range of frequencies while suppressing unwanted frequencies or noise, or separating channels in communications circuits … IT glossary of terms, acronyms and abbreviations
filter — 1. A porous substance through which a liquid or gas is passed in order to separate it from contained particulate matter or impurities to sterilize. SYN: filtrum. 2. To use or to subject to the action of a f.. 3. In diagno … Medical dictionary
Filter driver — A filter driver is a Microsoft Windows driver that adds value to peripheral devices or supports a specialized device in the personal computer. It is driver/program/module that is inserted into the existing driver stack to perform some specific… … Wikipedia