A material or device that allows certain substances to pass through it, while keeping other substances out. Filters may be used in cigarettes to help trap tar and other harmful substances found in tob [..]

A process or algorithm using a set of limits used to eliminate unwanted portions of seismic data, commonly on the basis of frequency or amplitude, to enhance the signal-to-noise ratio of the data or t [..]

A rule that stipulates when a security should be bought or sold according to its price action.

A tool for stripping out HTML, PHP, JavaScript, and other undesirable elements from content before pages are displayed. Other filters add formatting and features such as smilies. It is possible to create custom filters that allow or forbid only those tags you wish. More information is available at the Text filters and Input Formats page.

A filter is used to specify which packets will or will not be used. It can be used in sniffers to determine which packets get displayed, or by firewalls to determine which packets get blocked.

Filtre

There are two types of filter in photography: (1) A photography filter is a transparent piece of tinted glass, plastic or gelatin, often but not necessarily disc-shaped, used to alter the color or cha [..]

In a dSLR, one or more low-pass filters are located in front of the imaging sensor to: - allow the lowest-frequency waves through and cut off the highest, effectively reducing the amount of detail get [..]

early 15c., "piece of felt through which liquid is strained," from Old French feutre "felt, felt hat, carpet" (Modern French filtre) and directly from Medieval Latin filtrum " [..]

1570s (transitive), from French filtrer or from Medieval Latin filtrare, from filtrum "felt" (see filter (n.)). The figurative sense is from 1830. Intransitive use from 1798. Related: Filter [..]

Refers to: 1) a program that has the function of translating data into a different format (e.g., a program used to import or export data or a particular file); 2) a pattern that prevents non-matching [..]

A plastic or glass lens that fits in front of the camera lens and is used to manipulate or affect the final image. Read articles that include this term

to remove particles from a substance by passing the substance through a screen or other material that catches larger particles and lets the rest of the substance pass through.

Any material that, by absorption or reflection, selectively modifies the radiation transmitted through an optical system. To remove a certain component or components of radiation, usually by means of [..]

a device for separating components of a signal on the basis of their frequency. It allows components in one or more frequency bands to pass relatively unattenuated, and it attenuates components in oth [..]

In WordPress, filters are functions that can be hooked to an event (called hooks). During the execution when the event is triggered the filter is applied to the data output generated by the event hook. It is important to remember that filters perform their actions on data they receive and then return that data before it is displayed in the browser. [..]

A type of window that absorbs certain colors of light while allowing others to pass through. Astronomers use filters to observe how celestial objects appear in certain colors of light or to reduce the [..]

A porous device designed to block certain objects or substances whilst letting others through. Filters are often used to removed solids from a liquid or gas.

A facility allowing subsequent commands to operate only on records that conform to specified criteria. [D00678]

A tool on the Campaigns, Reports, and Automation workflow pages used to display campaigns based on Status, Type, or List.

A network manager-defined conditional test placed on incomingpackets in a network bridge or protocol analyzer. Generally, if the packet meets the conditions defined in the filter criteria, it under goes further processing. If the packet does not meet the filtercriteria, it is rejected.

unit designed to clean and clear the water

 Screens in filters exclude larger particles from entering the drip irrigation tubing. Filters are invaluable if you want to prevent clogging of drip emitters. Screen mesh comes in 150 or 200 mesh var [..]

(see Filtration)

Any light-transmitting medium that absorbs, reflects, or diffuses light when placed in front of or behind a lens.

Any light-transmitting medium that, when placed in front of the fixture, absorbs, reflects, or diffuses part or all of the beam. "Filter" may imply glass as opposed to Gel materials. Also see: Dichroic.

Any device or porous substance used as a strainer for cleaning fluids by removing suspended matter.

The step in the Compute scheduling process when hosts that cannot run VMs are eliminated and not chosen.

a special strainer used to separate dirt and other solids from liquid

A type of window that absorbs certain colors of light while allowing others to pass through. Astronomers use filters to observe how celestial objects appear in certain colors of light or to reduce the [..]

In electronics, a device which transmits only part of the incident energy and may thereby change the spectral distribution of energy: (a) high pass filters transmit energy above a certain frequency; (b) low pass filters transmit energy below a certain frequency; (c) band pass filters transmit energy of a certain bandwidth; (d) band stop filters tra [..]

[orig. {UNIX}, now also in {MS-DOS}] n. A program that processes an input data stream into an output data stream in some well-defined way, and does no I/O to anywhere else except possibly on error con [..]

glass, plastic, or gelatinous substance placed before or behind a camera lens to change the effect and character of the lighting within the film's frame  

Accessory used with an optical instrument or detector of electromagnetic radiation to either narrow down the wavelength band or to reduce the total intensity passing into the instrument.

A process that is applied to data that is sent or received by the server. Input filters process data sent by the client to the server, while output filters process documents on the server before they [..]

A sound effect that lets some frequencies through and suppresses others.

There are several different kinds of filter:

(1) A program that accepts a certain type of data as input, transforms it in some manner, and then outputs the transformed data. For example, a program that sorts names is a filter because it accepts [..]

1. A device that only allows certain elements in a mixture to pass through it. 2. Hypothetical construct that is applied to cognitive channels of information that only allow some aspects into our sens [..]

A tinted glass or small tinted plastic sheet placed in front of the lens or behind the lens in a filter holder, used to change the color rendition of the entire shot. Filters are used to convert tungs [..]

A computer program designed to allow only selected data to pass through to the user, for example, an e-mail system that alerts the recipient to selected incoming messages or software that blocks acces [..]

A piece of software that an application uses for file-format conversion or special effects. PageMaker, for example, has a filter that lets it import Microsoft Word files, while Photoshop has dozens of filters for special effects (such as image blurring). Filters can be part of the main application or external programs called plug-ins.

A transparent material having the ability to absorb certain wavelengths of light and transmit others.

Colored glass or gelatin used to reduce or eliminate specific colors from light before it strikes film or paper.

What engineers put on a mic to make an actor sound clearer.

A Filter is a computer software module used to process digital video for adding special effects to a program.

Certain activities or signatures which make a page or site appear unnatural might make search engines inclined to filter / remove them out of the search results.

A device used to remove dust and other particles from air to provide healthier air quality and to protect the HVAC equipment. The higher the MERV rating, the better the filter.

A device that removes unwanted frequencies or noise from a signal.

An electrical device used to suppress electrical noise, or to improve the DC output to a DC motor.

An electronic device to pass certain frequencies (pass band) but block other frequencies (stop band). Classified as low-pass (high-stop), high-pass (low-stop), band-pass or band-stop.

Software that filters out certain Web sites from the results of a search.

A way to screen out a specific parameter to see more refined search results or analytics data.

Programs that ingest data, transform it, and then spit it out are called filters. Many email programs utilize filters to allow you to sort your mail by date, name, or subject. Which, if you've ev [..]

The term has several meanings: A filter lets you display a list of files with some of the files filtered out. If works with File. list and FilnameFilter. File.list just gives you the unqualified filen [..]

Blocks the ADSL signal on a telephone line so that no audible interference reaches the telephone device (E.g., handset, fax machine, satellite receiver).

Rules used to sift through documents, looking for particular words. A filter in an e-mail program is used to route messages to appropriate mailboxes automatically.

In WordPress, a Filter is a function that is associated with an existing Action by specifying any existing Hook.

To strain through a paper filter or several layers of cheese cloth. T

The filter lets you sort your search results. Click the letter or number in the filter row to show all items that start with that letter or number.

(n) device that removes something from whatever passes through it(n) an electrical device that alters the frequency spectrum of signals passing through it(v) remove by passing through a filter(v) pass [..]

An acoustic or electronic device (or a computer simulation of such) which responds differentially in the frequency domain to its input. A high-pass filter attenuates the input in the low frequency reg [..]

A selective network of resistor, inductors, or capacitors which offers comparatively little opposition to certain frequencies or direct current, while blocking or attenuating other frequencies.

To run through felt, as jelly is strained through flannel. The Romans strained the juice of their grapes through felt into the wine-vat, after which it was put into the casks. (Latin, feltrum, felt, f [..]

Hardware or software designed to restrict access to certain areas on the Internet.

A file or program that reads data in one format and outputs it in another. In the “Save as” box of many programs there is a drop down list box with the present format showing and a list of other possi [..]

A configuration setting that allows you to add, remove or modify your data during processing before it is displayed in your reports.

A device that passes signals within a desirable frequency range and attenuates all others.

Learners do not attend to all the input they receive. They attend to some features, and 'filter' other features out. This often depends on affective factors such as motivation, attitudes, emotions, and anxiety.

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary [..]

A devise used to remove solid particles from liquid. It removes smaller paricles than a strainer.

Colored glass or gelatin used to reduce or eliminate specific colors from light before it strikes film or paper.

A device that acts like a strainer to remove dirt or undesired particles.

A device for removing dust particles from air or unwanted elements from liquids.

a device made up of circuit elements designed to pass desirable frequencies and block all others. It typically consists of capacitors and inductors.

    A circuit designed to pass a specific frequency range while rejecting all others.

a device composed of fibrous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air Fuel Any material that stores energy that can later be extracted to perform mechanical work in a controlled manner

A term with many meanings but for measuring and alignment applications is typically associated with averaging or data processing techniques to reduce the influence of unwanted vibration, air turbulence and other noise sources from measuring data.

A device that acts like a strainer to remove dirt or undesired particles.

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary [..]

A mechanical device used to house a filter element. See FILTER ELEMENT.

A device to remove contaminants.

A component (either hardware, software or firmware) that removes unwanted portions of a signal.

A device that circulates and removes some impurities from aquarium water. May be biological, chemical, or mechanical.

A layer of absorption material that is placed in the beam of radiation for the purpose of absorbing rays of certain wavelengths and thus controlling the quality of the radiograph.

porous material through which fluids or fluid - and solid mixtures are passed to separate matter held in suspension.

See Selection filter

(1) A network that passes desired frequencies but greatly attenuates other frequencies; and (2) a device for use on power or signal lines, specifically designed to pass o [..]

A criterion that you specify to limit the results when you list or describe your Amazon EC2 resources.

Sorts out undesired data, used when creating reports with Report Writer.

Software that screens information on the Internet, classifies its content, and allows the user to block certain kinds of content.Firewall

A piece of plastic or glass designed to transmit a certain narrow range of light (wavelength) while reflecting or absorbing the wavelengths of light that are not transmitted. See colored glass filter and dichroic filter.

Filter: An electronic device that allows only certain frequencies to pass.

A device installed in a liquid or gas flow used to remove particulate matter.

Any device or porous substance used as a strainer for cleaning fluids by removing suspended matter.

The SDSS imaging camera takes images in five filters: u,g,r,i,z which span the window from 3000 Angstroms to 1 micron. Please read the camera page for details. This term is used to describe both the p [..]

In cPanel, a tool that processes mail based on your preferences. For example, a filter can automatically discard spam or save mail from a specified sender to its own folder. In cPanel, you can apply filters to the main email account on a domain (Account Level Filters), or customize them for each individual account (User Level Filters).

(Electronic classroom/Internet) A program that stops users from viewing websites that contain inappropriate information.

A device to alter a signal; software to alter a data steam; See Also: averaging filter, band-pass filter, complementary filter, first-order filter, high-pass filter, hysteresis, Kalman filter, limiter, low-pass filter, rate limiter, second-order filter, smoothing filter, wash-out filter;

An optical coloured or neutral glass or plastic usually mounted in front of the camera lens. Most remove or reduce particular parts of the light spectrum; others such as neutral density or polarizing [..]

Any of various electric, electronic, acoustic, or optical devices used to reject signals, vibrations, or radiation of certain frequencies while passing others. Electronically, filters can be as simple [..]

[4,5] a device or process in which a band or bands of frequency

Equalizer that affects certain frequencies. Example, a high-pass filter allows the high frequencies to pass while lowering the low frequencies.

a circuit which permits certain frequencies to pass easily while inhibiting or preventing others. Typical filters include low pass, high pass, band pass, and band reject.

a type of FX.

Any device that removes impurities through a straining process.

A device for removing particles from air.

A device used to remove dust and other particles from air to provide healthier air quality and to protect the HVAC equipment. The higher the MERV rating, the better the filter.

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary [..]

Removes dust/particles from the air to reduce the load on the respiratory systems and HVAC equipment.

A mesh like device that removes dirt, lint, dust and other impurities from the air passing through an air conditioning system.

Any device that removes impurities through a straining process.

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary greatly in particle arrestant; the higher the MERV rating (Minimum Efficiency Reporting Value- a number from 1 to 16 that is relative to an air filte [..]

 A device that removes dissolved or suspended particles from water by recirculating the water through a porous substance (a filter medium or element). The three types of filters used in pools and spas [..]

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary greatly in particle arrestant; the higher the MERV rating (Minimum Efficiency Reporting Value- a number from 1 to 16 that is relative to an air filte [..]

Optical elements with selective transmission. Filters only transmit part of the incident radiation, to produce either coloured light or by filtering out invisible radiation such as ultraviolet or infr [..]

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary [..]

Any device that removes impurities through a straining process.

Tinted glass or plastic sheet placed in front of the lens or behind it, used to change the colour of the entire shot. Can be used to convert tungsten balanced film for use in daylight or vice versa. A [..]

Usually attached to the front of a lens, a wide variety of filters are available, including UV filters that regulate light and cut UV, color filters, polarizing filters, cross filters, and rainbow filters.

Glass or plastic item that goes in front of the camera or enlarger lens to either absorb and remove selected wavelengths of light or add special effects such as soft focus, starbursts or multiple imag [..]

Part of a software programme or plug-in for a programme that is used to alter the appearance of a digital image. Countless options are available to distort, blur, sharpen or add artistic effects.

1.) A piece of glass or gelatin placed in the optical path that modifies the wavelength or light that ultimately reaches the sensor. An example would be a hydrogen-alpha filter that only allows the li [..]

Lens filters are transparent or translucent glass or gelatin elements that attach to the front of a lens. They protect the camera lens, alter the characteristics of light passing through the lens or add special effects and colors to an image. They come in two types -- screw-in filters and slot-in filters.

Any device which modifies a signal is a filter. Therefore, it is legitimate (but not good usage) to describe a close-up lens as a filter, the real reason for doing so being that close-up lenses screw into the camera filter-ring. In photography, the term 'filter' is normally reserved for a device (usually a sheet of glass or plastic) which [..]

A plastic or glass lens that fits in front of the camera lens and is used to manipulate or affect the final image. Read articles that include this term

A piece of transparent glass, gelatine or other material used to modify the nature of the light passing through it. Filters selectively absorb certain wavelengths, allowing others to pass unimpeded, t [..]

Dichromatic filters are used for colour separation and are based on dielectric interference. These optical filters, which are used in optical transmission technology, in displays and in projectors, wo [..]

A Filter is a computer software module used to process digital video for adding special effects to a program.

A coloured piece of glass or other transparent material used over the lens to emphasize, eliminate, or change the colour or density (ND) of the entire scene or certain areas within a scene. Also see "colour temperature". Technically, it explained as a piece of m [..]

The SDSS imaging camera takes images in five filters: u,g,r,i,z which span the window from 3000 Angstroms to 1 micron. Please read the camera page for details. This term is used to describe both the physical filter and to tag parameters as measured through that filter.

An optical component that allows certain wavelengths or frequencies of light to pass through while reflecting or absorbing all others. Types of filters include bandpass, longpass, shortpass, interfere [..]

An absorptive filter created by doping glass materials with elements that selectively change their absorption and transmission spectra.

A clear piece of glass, plastic, or gelatin that is appened onto a lens to affect how an image looks.

Barriers used to separate and remove Particulate Matter from air.

A Membrane or barrier with micrometer sized pores used for separation purification processes.

Mechanical devices inserted in the Inferior Vena Cava that prevent the migration of Blood clots from deep Venous Thrombosis of the leg.

Any device or porous substance used for cleaning and removing suspended matter from a gas or fluid.

Cloth or other media used to remove particles from a liquid substance.

Filters are application programs used in a firewall for examining packets on their arrival at the firewall. Filters help with firewall security in that they route or reject the packets based on define [..]

The removal of designated impurities by passing the wort through a medium, sometimes made of diatomaceous earth ( made up of the microscopic skeletal remains of marine animals). Yeast in suspension is [..]

A screening device or porous substance used to remove solid material from liquids. Filters, made out of a layer a coal and a layer of sand, trap dirt or bacteria in the water treatment process.

A unit designed to effectively clean and clear the pond water.

in optics, a structure which only allows a limited range of wavelengths of light to pass through.

A device that removes undissolved particles from water by recirculating the water through a porous substance (a filter medium or element). Filter Medium

A program designed to take a stream of input and transform it into a stream of output.

An if

A program designed to take a stream

See email filter. Firewall

A program that transforms a stream of data. Many Unix command-line tools are written as filters: they read data from standard input

A Filter is any porous device that allows the passage of air but traps airborne particles, thus cleaning the air.

A device used to remove dust and other particles from air to provide healthier air quality and to protect the HVAC equipment. The higher the MERV rating, the better the filter.

A device for removing dust particles from air or unwanted elements from liquids.

A device used to remove dust and other particles from air to provide healthier air quality and to protect the HVAC equipment. The higher the MERV rating, the better the filter.

The medium which captures the solid particulate. It can be manufactured from many different materials, such as paper and cellulose.

A device for removing dust particles from air or unwanted elements from liquids.

Any porous device that allows the passage of air but traps airborne particles.

A filter is a set of conditions applied to a table that lets you find and work with a subset of the table's data.

A device to alter a signal; software to alter a data steam; See Also: averaging filter, band-pass filter, complementary filter, first-order filter, high-pass filter, hysteresis, Kalman filter, limiter [..]

Device for removing small particles from a fluid.

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary [..]

 Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters var [..]

Any device used to remove dust and other impurities from air for the purposes of reducing the load on the respiratory system and to protect the HVAC equipment through a straining process. Filters vary [..]

An electronic device that blocks the passage of certain frequencies while allowing other frequencies to pass.

A device that transmits light of only certain wavelengths. Used by astronomers to observe view specific wavelengths and to minimize the light of exceptionally bright objects.

a device used to remove solids from a mixture or to separate materials. Materials are frequently separated from water using filters.

A type of window that absorbs certain colors of light while allowing others to pass through. Astronomers use filters to observe how celestial objects appear in certain colors of light or to reduce the light of exceptionally bright objects. For example, a pair of sunglasses acts as a type of filter, reducing the amount of incoming light while still [..]

The rules and/or logic used to select a subset of total respondents. For example, a set of cross-tabulations might contain both men and women, but by placing a filter for "men only," a new s [..]

A device that allows currents at certain frequencies to pass while those at other frequencies are blocked. Filters reduce conducted electromagnetic waves by grounding the current or by increasing the impedance to a specific frequency.

a circuit which is frequency dependent. The "pass band" is the range of frequencies allowed through, and the "stop band" is that range of frequencies which are blocked

a circuit which is frequency dependent. The "pass band" is the range of frequencies allowed through, and the "stop band" is that range of frequencies which are blocked.

any electrical circuit or mechanical device that removes or attenuates energy at certain frequencies. See Crossover Network

a circuit that depends on a frequency to function.

Network consisting of capacitors, resistors and/or inductors used to pass certain frequencies and block others.

any device or porous substance used as a strainer for cleaning fluids by removing suspended matter.

a device used to remove solids from a mixture or to separate materials. Materials are frequently separated from water using filters. filtration

A filter is a way of treating or adjusting data before it is analyzed. Examples are the Hodrick-Prescott filter or Kalman filter. More exactly, a filter is an algorithm or mathematical operation that [..]

As used here, a device of porous material that removes dirt from air that is forced through it.

A filter is a special photographic effect that users apply to enhance images on social media. It includes offering a vintage look, sepia, black and white, altering saturation levels, etc. Filters are [..]

The combination of fields values in a filter bar used to display specific records in a list.

Software used by an internet service provider, an email client, and/or an individual recipient to block or sort incoming emails. Filters can take into consideration the sender, the email subject line, [..]

A filter is a pre-created effect that can be applied to images to acquire a certain look.

1) A device that removes signals with frequencies above or below a certain point called the cut-off frequency. 2) An equalizer section, used in this sense because filters are used with other component [..]

A selective network of resistors, capacitors, and inductors that offers comparatively little opposition to certain frequencies, while blocking or attenuating other frequencies. In electronics, a devic [..]

DRIER

A circuit that is designed to pass signals with desired frequencies and reject or attenuate other frequencies.

filter

An operation that selectively removes noise from a signal. Electronic filters include low-pass, band-pass, and high-pass types. Mathematical filters can operate on data to extract information and to enhance images.

A rule that stipulates when a security should be bought or sold according to its price action.