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filter

filter

139 2.8
A thing that removes unwanted parts from water, air, light and sound
  • noun
  • /ˈfɪltər/
translation icon : filtro
  • After pouring the juice, remember to take out the filter that catches the pulp.
  • replace the filter
  • using a filter
  • particulate air filter

As long as you change over the filters you can.

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Examples

  • My husband was always the one down here, changing the filter in the furnace or checking the fuse box.

  • Do we have the filter paper?

  • Well, replace the filter and test it again.

  • Gotta get these filters changed.

  • Listen, that Britta filter is not doing its job right.

  • My fridge didn't have a filter built into it.

  • Before brewing, make sure to use a coffee filter to remove any grounds.

  • The air filter in your car should be changed regularly to maintain good performance.

Synonyms

air filter
vsfilter
8 2.8

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

applies to many media beyond air, including light and sound
purifier
vsfilter
  • Specialized
8 3.5

A machine that cleans water or air by removing harmful substances

also applies to light and sound as well as liquids and gases
water filter
vsfilter
5 2.2

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

covers more types of media, not only liquids like water
coffee filter
vsfilter
4 1.4

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

is broader and applies beyond brewing beverages to many other media
fuel filter
vsfilter
  • Specialized
3 3.4

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

is used for many media, including light and sound not only fuel
biofilter
vsfilter
  • Specialized
2 5.1

A device that uses living things to remove harmful substances from water or air

is biological, while the key covers nonliving materials and devices too
air cleaner
vsfilter
1 3.4

A machine with a filter that removes dust and small particles from the air

focuses on the component or material itself, not the whole machine
carbon filter
vsfilter
1 3.7

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

removes impurities by any method, not only chemical absorption
filter paper
vsfilter
  • Specialized
1 3.4

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

also includes machines as well as materials used to remove impurities
light filter
vsfilter
1 4.3

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

also applies to other media like liquids, gases, and sound besides light
prefilter
vsfilter
  • Specialized
1 5.3

A part that removes large bits of dirt, hair, or pollen before the main cleaning part

is the primary element that performs main removal rather than the initial stage
membrane filter
vsfilter
  • Specialized
4.4

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

is more general and not limited to thin films or pore sizes
filter press
vsfilter
  • Specialized
6.4

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

is a general removal device rather than specialized industrial separation machinery
filterer
vsfilter
5.3

A person or machine that removes unwanted things using a filter

often means an agent, whereas the key names the object doing the removal

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 Effective

sterilizer
  • Specialized
2 3.9
purifier
  • Specialized
8 3.5
filter
139 2.8
sieve
18 2.4
strainer
13 1.7

Surface Forms

filter singular
filters plural

Etymology

Filter comes from an old Latin word filtrum that meant 'felt' or a 'cloth used to strain', so picture a cloth keeping dirt out of your water. So a filter is something that removes unwanted parts and lets the clean part pass through.