Lexic.us

Definition of Filter

1. Noun. Device that removes something from whatever passes through it.

2. Verb. Remove by passing through a filter. "Filter out the impurities"

3. Noun. An electrical device that alters the frequency spectrum of signals passing through it.

4. Verb. Pass through. "Water permeates sand easily"

5. Verb. Run or flow slowly, as in drops or in an unsteady stream. "Water and oil filter into the bowl"; "Reports began to dribble in"

Definition of Filter

1. n. Any porous substance, as cloth, paper, sand, or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air.

2. v. t. To purify or defecate, as water or other liquid, by causing it to pass through a filter.

3. v. i. To pass through a filter; to percolate.

4. n. Same as Philter.

Definition of Filter

1. to pass through a filter (a device for removing suspended matter) [v -ED, -ING, -S]

Medical Definition of Filter

1. 1. A porous substance through which a liquid or gas is passed in order to separate it from contained particulate matter or impurities. Synonym: filtrum. 2. To use or to subject to the action of a filter. 3. In diagnostic or therapeutic radiology, a plate made of one or more metals such as aluminum and copper that, placed in the x-or gamma-ray beam, permits passage of a greater proportion of higher energy radiation and attenuation of lower and less desirable energy radiation, raising the average energy or hardening the beam. 4. A device used in spectrophotometric analysis to isolate a segment of the spectrum. 5. A mathematical algorithm applied to image data for the purpose of enhancing image quality, usually by suppression of high spatial frequency noise. Origin: Mediev. L. Filtro, pp. -atus, to strain through felt, fr. Filtrum, felt (05 Mar 2000)

Lexicographical Neighbors of Filter

filopodium filopodium filopressure filos filose filovaricosis filoviridae Filoviridae filoviridae infections filovirus

filovirus filoviruses filovirus infections fils filter (current term) filter (current term) filter-tipped filter-tipped cigarette filterabilities filterability

filterable filterable filtered filterer filterers filtering filtering cicatrix filtering operation filtering surgery filters

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