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| fil·ter [ fíltər ] |
noun (plural fil·ters) |
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| Definition: |
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1. straining device: a device made of or containing a porous material used to collect particles from a liquid or gas passing through it
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2. porous material used for straining: any porous layer or material such as sand, paper, or cloth, used in or as a filter
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3. photog tinted screen: a tinted glass or dyed gelatin screen placed on a camera lens to control light or color or distort an image
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4. comput device restricting the passage of frequencies: a device or computer program that allows the passage of some frequencies or digital elements and blocks others
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5.
Same as filter tip (sense 1)
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verb (past and past participle fil·tered, present participle fil·ter·ing, 3rd person present singular fil·ters) |
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| Definition: |
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1. transitive and intransitive verb pass something through filter: to put something such as fluid, light, or electrical impulses through a filter to remove or recover something, or be passed through a filter to do this
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2. intransitive verb pass through something: to seep or pass through a filter or something that is intended to act as a barrier
  The sunlight filtered in through the shutters.
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3. intransitive verb trickle: to move or pass slowly and gradually
People filtered into the auditorium.
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| [14th century. Via Old French filtre "felt" (used for filtering liquids) < medieval Latin filtrum< Germanic] |
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| fil·ter·a·ble adjective |
| fil·ter·er noun |
| fil·ter·less adjective |
| fil·tra·ble adjective |
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