filter

1. A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another.

   Filter

   фильтрfilʹtr

   фільтрfilʹtr

2. Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.

   Filter

   фильтрfilʹtr

3. Any item, mechanism, device, or procedure that acts to separate or isolate.

   He runs an email filter to catch the junk mail.

   Filter

   фильтрfilʹtr

4. (figuratively)Self-restraint in speech.

   He's got no filter, and he's always offending people as a result.

5. A non-empty upper set (of a partially ordered set) which is closed under binary infima (a.k.a. meets).

   The collection of cofinite subsets of ℝ is a filter under inclusion: it includes the intersection of every pair of its members, and includes every superset of every cofinite set.

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   фільтрfilʹtr

6. A translucent object placed in the light path of a camera to remove certain wavelengths (colors), or a computer program that simulates such an effect.

7. An appearance-altering digital image effect.

1. How do you change the filter?

   Як міняється фільтр?

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2. Did you change the filter?

   Ти поміняв фільтр?

   ruТы менял фильтр?

   deHast du den Filter ausgetauscht?

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3. You need to change your air filter.

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4. You should replace the filter every three months.

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5. How often do you change your oil filter?

   deWie oft wechselst du deinen Ölfilter?

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regular