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filter

filter

34 5.0
A device that allows some frequencies in electrical signals to pass and blocks others
  • noun
  • /ˈfɪltər/
  • Specialized
translation icon : filtro
  • Scatter is typically a few dozen data points and is resolved with sampling, filtering, and similar techniques.
  • low-pass filter
  • high-pass filter
  • band-pass filter

In this box is a PCI Express power filter card.

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Examples

  • By removing the anti-aliasing filter, there is a much-improved sharpness to the image.

    Academic text (2008)
  • She saw us working on the voice filter.

  • OK, so suppose that we have a filter that we call F.

  • How could I fix this filter change?

  • Let's plug in the filter and this little thing here.

  • We'll use a hundred angstrom filter to begin.

  • There's also tons of different filter options within here that you can try out.

  • Research should also assess the impact of filtering on student learning and achievement.

    Academic text (2015)
  • It comes through our filters, our social filters and our categories that pre exist.

  • The engineer installed a special filter to ensure only specific frequencies could be heard in the audio output.

Synonyms

low-pass filter
vsfilter
  • Specialized
1 5.5

A device that lets slow changes in signals pass and reduces fast changes

is a general device that selects frequencies not only the lower ones
bandpass
vsfilter
  • Specialized
1 7.2

A filter that lets only a certain range of signals pass while blocking others

is a general device that selects frequencies rather than one fixed range
rejector
vsfilter
  • Specialized
8.8

A circuit part that blocks signals in a specific frequency band

focuses on letting selected frequencies pass rather than only blocking them
rejecter
vsfilter
  • Specialized
8.4

A device that blocks unwanted signals in electronic equipment

is about selectively letting desired frequencies pass rather than merely removing unwanted ones

Compounds

8 2.8

A machine that removes dust and small particles from the air as it passes through

5 2.2

A device that removes dirt, germs, and bad chemicals from water

A paper or metal thing that keeps coffee grounds out of brewed coffee

fuel filter
  • Specialized
3 3.4

A device in a fuel line that removes dirt and rust from fuel before it reaches the engine

3 3.5

A part in a car engine that cleans oil to protect engine parts

A filter that removes chemicals and smells from water or air using charcoal

filter paper
  • Specialized
1 3.4

Thin paper with tiny holes that lets liquid pass but keeps solid bits

1 4.3

A piece of clear material, like a camera lens, that reduces light passing through it

low-pass filter
  • Specialized
1 5.5

A device that lets slow changes in signals pass and reduces fast changes

blue light filter
  • Specialized
3.5

A screen setting that reduces blue light to ease eye strain and help sleep

bogon filter
  • Specialized
8.6

A tool that blocks internet addresses that are invalid or not assigned

A screen setting or tool that reduces blue light from phones and computers to help your eyes and sleep

filter bed
  • Specialized
3.7

A layer of sand or gravel that cleans water by removing dirt

filter press
  • Specialized
6.4

A machine that removes solids from liquids by pushing the liquid through cloth over frames

A small piece at the end of a cigarette that reduces the harshness of smoke

A cigarette or cigar with a small end piece that removes some harmful parts from smoke before you breathe it

A roll of tobacco with a soft end that helps reduce tar in the smoke

membrane filter
  • Specialized
4.4

A thin material with tiny holes that removes particles and germs from liquids or air

high-pass filter
  • Specialized
4.4

An electronic part that lets high sounds pass and reduces low sounds

A machine that uses flat plates and frames to separate solids from liquids

plate filter press
  • Specialized
6.9

A machine made of many plates that removes solids from liquids

A machine with plates and frames that separates solids from liquids in factories

sponge filter
  • Specialized
3.0

A soft sponge in a fish tank that traps dirt and adds air while letting good bacteria grow

How Selective

to narrowband
  • Specialized
8.1
filter
  • Specialized
34 5.0
bandpass
  • Specialized
1 7.2
wideband
  • Specialized
6.4

Surface Forms

filter singular
filters plural

Etymology

Filter comes from the Latin filtrum meaning 'cloth used to strain', and just like a cloth that keeps some bits out while letting liquid pass, an electrical filter keeps some parts of a signal and blocks others. So an electronic filter lets only the signals you want pass through.