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filter
[fil-ter]
noun
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.
any device, as a tank or tube, containing such a substance for filtering.
any of various analogous devices, as for removing dust from air or impurities from tobacco smoke, or for eliminating certain kinds of light rays.
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.
Informal.a filter-tipped cigarette or cigar.
Photography.
a lens screen of dyed gelatin or glass placed on a camera for controlling the rendering of color or for diminishing the intensity of light.
Digital Technology.a data manipulation function that changes the color or sharpness of a digital image or overlays an additive or special effect element.
Use a sepia filter to give your photos that old-timey look.
Electronics, Physics.a circuit or device that passes certain frequencies and blocks others.
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.
Computers.an algorithm that categorizes, sorts, prioritizes, or blocks data through rule-based protocols.
an email filter that deletes messages with subject words found commonly in spam.
verb (used with object)
to remove by the action of a filter.
Computers.to subject (data) to an algorithmic filter.
The search engine will filter your query results based on your location and user profile.
to act as a filter for; to slow or partially obstruct the passage of.
The thick leaves filtered the sunlight.
to pass through or as through a filter.
verb (used without object)
to pass or slip through slowly, as through an obstruction or a filter.
Enemy agents managed to filter into the embattled country.
Synonyms: , , , ,
filter
/ ˈɪə /
noun
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
any device containing such a porous substance for separating suspensions from fluids
any of various porous substances built into the mouth end of a cigarette or cigar for absorbing impurities such as tar
any electronic, optical, or acoustic device that blocks signals or radiations of certain frequencies while allowing others to pass See also band-pass 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
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
verb
(often foll by out) to remove or separate (suspended particles, wavelengths of radiation, etc) from (a liquid, gas, radiation, etc) by the action of a filter
(tr) to obtain by filtering
to pass (through a filter or something like a filter)
dust filtered through the screen
(intr) to flow slowly; trickle
filter
A material that has very tiny holes and is used to separate out solid particles contained in a liquid or gas that is passed through it.
A device that allows signals with certain properties, such as signals lying in a certain frequency range, to pass while blocking the passage of others. For example, filters on photographic lenses allow only certain frequencies of light to enter the camera, while polarizing filters allow only light polarized along a given plane to pass. Radio tuners are filters that allow frequencies of only a narrow range to pass into an amplification circuit.
filter
A computer software program that selectively screens out incoming information.
Other 51Թ Forms
- filterer noun
- nonfilter noun
- overfilter verb (used with object)
- prefilter noun
- refilter verb (used with object)
- unfiltering adjective
- well-filtered adjective
51Թ History and Origins
51Թ History and Origins
Origin of filter1
Example Sentences
Well-oiled South African fans had filtered out of Lord's yesterday evening buoyantly going through their repertoire of songs after a blissful day of batting.
I think that's probably because they were in their filter bubbles and had been the least exposed to the other side of the political divide and the arguments that were motivating them.
Water: Creek only; will need to boil what you collect or bring a filter.
It works by informing the app's matching algorithm based on a user's stated preference, rather than filtering out certain users altogether.
There were suggestions transfer moves would be downgraded from a Plan A to less expensive alternatives, all while news of a new wave of redundancies to cut costs filtered through.
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