filter : Idioms & Phrases

Index

air filter

  • noun a filter that removes dust from the air that passes through it
    air cleaner.
WordNet

coffee filter

  • noun filter (usually of paper) that passes the coffee and retains the coffee grounds
WordNet

Filter bed

  • noun filter consisting of a layer of sand or gravel for filtering water
WordNet
  • a pond, the bottom of which is a filter composed of sand gravel.
Webster 1913
  • an underground gallery or tunnel, alongside of a stream, to collect the water that filters through the intervening sand and gravel; called also infiltration gallery.
Webster 1913

filter out

  • verb remove by passing through a filter
    filter; filtrate; separate out; strain.
    • filter out the impurities
WordNet

filter paper

  • noun a porous unsized paper used for filtering
WordNet

filter tip

  • noun an air filter on the end of a cigarette; contains material that filters the smoke
WordNet

filter-tipped

  • adjective satellite of a cigar or cigarette; having a tip designed to filter the smoke
    • filter-tipped cigarettes
WordNet

filter-tipped cigarette

  • noun a cigarette with a filter tip
WordNet

Filtering paper, ∨ Filter paper

  • a porous unsized paper, for filtering.
Webster 1913

fuel filter

  • noun a filter in the fuel line that screens out dirt and rust particles from the fuel
WordNet

high-pass filter

  • noun a filter that passes frequencies above a certain value and attenuates frequencies below that value
WordNet

light filter

  • noun a transparent filter that reduces the light (or some wavelengths of the light) passing through it
    diffusing screen.
WordNet

low-pass filter

  • noun a filter that passes frequencies below a certain value and attenuates frequencies above that value
WordNet

oil filter

  • noun a filter that removes impurities from the oil used to lubricate an internal-combustion engine
WordNet

water filter

  • noun a filter to remove impurities from the water supply
WordNet