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a tool for selecting or removing a particular type of information: You can apply filters to capture the most relevant data. A filter on the company computer network is designed to block obscene material. a tool for creating special effects on an image: There's a filter that makes all your pictures look like old sepia photographs.
1. a. : a porous article or mass (as of paper or sand) through which a gas or liquid is passed to separate out matter in suspension. b. : an apparatus containing a filter medium. 2. a. : a device or material for suppressing or minimizing waves or oscillations of certain frequencies (as of electricity, light, or sound) b.
Filter definition: 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.. See examples of FILTER used in a sentence.
To filter a substance, or to filter particles out of a substance, means to pass it through a device which removes the particles from it. You must boil or filter the water here to make it safe to drink.
noun. /ˈfɪltə (r)/ /ˈfɪltər/ a device containing paper, sand, chemicals, etc. that a liquid or gas is passed through in order to remove any materials that are not wanted. an air/oil filter. a coffee/water filter. filter paper for the coffee machine. He smokes cigarettes without filters. Topics Scientific research c1. Want to learn more?
A machine or device that removes dangerous or unwanted materials from a substance passing through it is called a filter. A kitchen water filter makes the water safer to drink — and also taste better.
verb. /ˈfɪltə (r)/ /ˈfɪltər/ Verb Forms. Phrasal Verbs. [transitive] filter something to pass liquid, light, etc. through a special device, especially to remove something that is not wanted. All drinking water must be filtered. Use a sun block that filters UVA effectively.
FILTER meaning: 1 : a device that is used to remove something unwanted from a liquid or gas that passes through it; 2 : a device that prevents some kinds of light, sound, electronic noises, etc., from passing through
filter. noun. /ˈfɪltər/ enlarge image. a device containing paper, sand, chemicals, etc. that a liquid or gas is passed through in order to remove any materials that are not wanted an air/oil filter a coffee/water filter He smokes cigarettes without filters. Join us.
FILTER definition: 1. to pass a liquid or gas through a piece of equipment in order to remove solid pieces or other…. Learn more.
