filter

B1
Pronunciation
/ˈfɪltə/
/ˈfɪltɚ/
Noun
5 definition(s)
1 Definition

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.

2 Definition

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

3 Definition

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

Example Sentences
  • He runs an email filter to catch the junk mail.
4 Definition

Self-restraint in speech.

Example Sentences
  • He's got no filter, and he's always offending people as a result.
5 Definition

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

Example Sentences
  • If (1) the universal set (here, the set of natural numbers) were called a "large" set, (2) the superset of any "large" set were also a "large" set, and (3) the intersection of a pair of "large" sets were also a "large" set, then the set of all "large" sets would form a filter.
Verb
5 definition(s)
1 Definition

To sort, sift, or isolate.

Example Sentences
  • This strainer should filter out the large particles.
2 Definition

To diffuse; to cause to be less concentrated or focused.

Example Sentences
  • The leaves of the trees filtered the light.
3 Definition

To pass through a filter or to act as though passing through a filter.

Example Sentences
  • The water filtered through the rock and soil.
4 Definition

To move slowly or gradually; to come or go a few at a time.

Example Sentences
  • The crowd filtered into the theater.
5 Definition

To ride a motorcycle between lanes on a road

Example Sentences
  • I can skip past all the traffic on my bike by filtering.