ALL meanings of filter
fil·ter
F f - noun filter Electronics, Physics. a circuit or device that passes certain frequencies and blocks others. 1
- noun filter Mathematics. a collection of subsets of a topological space, having the properties that the intersection of two subsets in the collection is a subset in the collection and that any set containing a subset in the collection is in the collection. 1
- verb with object filter to remove by the action of a filter. 1
- verb with object filter to act as a filter for; to slow or partially obstruct the passage of: The thick leaves filtered the sunlight. 1
- verb with object filter to pass through or as through a filter. 1
- verb without object filter to pass or slip through slowly, as through an obstruction or a filter: Enemy agents managed to filter into the embattled country. 1
- noun filter for air, water, oil, coffee 1
- noun filter in a cigarette 1
- transitive verb filter pass through filter 1
- noun filter for a camera 1
- noun filter effect applied to digital photo 1
- noun filter for narrowing a computer search 1
- transitive verb filter computing: narrow search, results 1
- noun Definition of filter in Technology 1. (Originally Unix, now also MS-DOS) 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 conditions; one designed to be used as a stage in a pipeline (see plumbing). Compare sponge. 2. (functional programming) A higher-order function which takes a predicate and a list and returns those elements of the list for which the predicate is true. In Haskell: 1
- noun filter A porous device for removing impurities or solid particles from a liquid or gas passed through it. 1
- noun filter any substance, as cloth, paper, porous porcelain, or a layer of charcoal or sand, through which liquid or gas is passed to remove suspended impurities or to recover solids. 1
- noun filter any device, as a tank or tube, containing such a substance for filtering. 1
- noun filter any of various analogous devices, as for removing dust from air or impurities from tobacco smoke, or for eliminating certain kinds of light rays. 1
- noun filter something that works like a filter, as by removing, blocking, or separating out certain elements: Kids often talk without a filter. Events can be distorted through the filter of memory. 1
- noun filter Informal. a filter-tipped cigarette or cigar. 1
- noun filter Photography. a lens screen of dyed gelatin or glass for controlling the rendering of color or for diminishing the intensity of light. 1
- verb transitive filter to remove or separate (solid particles, impurities, etc.) from a liquid or gas by means of a filter 0
- verb transitive filter to act as a filter for 0
- intransitive verb filter to pass through or as if through a filter 0
- intransitive verb filter to move or pass slowly 0
- noun filter A filter is a device through which air, fuel, or oil is passed to remove unwanted particles. 0
- noun filter A filter is a vessel or stage in which solids are removed from a liquid by passing it through something porous. 0
- noun filter A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another. 0
- noun filter Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies. 0
- noun filter Any item, mechanism, device or procedure that acts to separate or isolate. 0
- noun filter (figuratively) self-restraint in speech. 0
- noun filter (mathematics, order theory) A non-empty upper set (of a partially ordered set) which is closed under binary infima (a.k.a. meets). 0
- verb filter (Transitive Verb) To sort, sift, or isolate. 0
- verb filter (Transitive Verb) To diffuse; to cause to be less concentrated or focused. 0
- verb filter (Intransitive Verb) To pass through a filter or to act as though passing through a filter. 0
- verb filter (Intransitive Verb) To move slowly or gradually; to come or go a few at a time. 0
- verb filter (Intransitive Verb) To ride a motorcycle between lanes on a road. 0
- verb filter To filter a substance means to pass it through a device which is designed to remove certain particles contained in it. 0
- countable noun filter A filter is a device through which a substance is passed when it is being filtered. 0
- countable noun filter A filter is a device through which sound or light is passed and which blocks or reduces particular sound or light frequencies. 0
- verb filter If light or sound filters into a place, it comes in weakly or slowly, either through a partly covered opening, or from a long distance away. 0
- verb filter When news or information filters through to people, it gradually reaches them. 0
- countable noun filter A traffic filter is a traffic signal or lane which controls the movement of traffic wanting to turn left or right. 0
- noun filter a porous substance, such as paper or sand, that allows fluid to pass but retains suspended solid particles: used to clean fluids or collect solid particles 0
- noun filter any device containing such a porous substance for separating suspensions from fluids 0
- noun filter any of various porous substances built into the mouth end of a cigarette or cigar for absorbing impurities such as tar 0
- noun filter any electronic, optical, or acoustic device that blocks signals or radiations of certain frequencies while allowing others to pass 0
- noun filter a computer program that processes data in order to remove items that correspond to certain criteria 0
- noun filter any transparent disc of gelatine or glass used to eliminate or reduce the intensity of given frequencies from the light leaving a lamp, entering a camera, etc 0
- noun filter a traffic signal at a road junction consisting of a green arrow which when illuminated permits vehicles to turn either left or right when the main signals are red 0