filter meaning
EN
[ˈfɪltə] [ˈfɪltɚ] [-ɪltə(r)] 
US WFilter
- Filter may refer to:
- NounPLfiltersSUF-ter
- 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.
- Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.
- Any item, mechanism, device or procedure that acts to separate or isolate.
- In America alone, people spent $170 billion on “direct marketing”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a result. If the bumf arrived electronically, the take-up rate was 0.1%. And for online adverts the “conversion” into sales was a minuscule 0.01%. That means about $165 billion was spent not on drumming up business, but on annoying people, creating landfill and cluttering spam filters.
- (figuratively) self-restraint in speech.
- He's got no filter, and he's always offending people as a result.
- (mathematics, order theory) 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.
- 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.
- 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.
- VerbSGfiltersPRfilteringPT, PPfiltered
- (transitive) To sort, sift, or isolate.
- “You have probably never seen anything like this before, Mr. Toler. It is baleen, or if you prefer it, whalebone, taken from the mouth of the bowhead whale. It is used by the whale to filter its food.”
- (transitive) To diffuse; to cause to be less concentrated or focused.
- (intransitive) To pass through a filter or to act as though passing through a filter.
- (intransitive) To move slowly or gradually; to come or go a few at a time.
- (intransitive) To ride a motorcycle between lanes on a road.
- (transitive) To sort, sift, or isolate.
- More Examples
- Used in the Middle of Sentence
- Light filtered in through the blinds of the french windows. It made tremulous stripes along the scrubbed pine floor.
- Alternatively, an Amazon-like interface filters the list of molecules by specifying type (Nuclear receptor, coregulator, ligand) or by typing GO Terms or Diseases in autosuggest text boxes.
- Additionally, two distinct absorption bands at 944 and 1180 nm were also filtered in order to minimize superficial overheating and exsiccosis.
- Used in the Beginning of Sentence
- Filter cards were prepared from freshly collected blood (EDTA blood, 2–6 h old) and from hemolyzed blood (EDTA blood, 2–4 days stored at -20°C).
- Used in the Ending of Sentence
- Coffee Filters: When you are cooking for guests, do you get afflicted with the clumsies, especially when you try to separate paper coffee filters?
- My mailbox has remained unspammed for years thanks to antispam filters.
- They drain the stalk out with their arms, quick-handed, and cleanse it with a stream of mead and filters.
- Used in the Middle of Sentence
Definition of filter in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Verbs
- Intransitive verbs
- Transitive verbs
- Intransitive verbs
- Nouns
Source: Wiktionary
Grammatically, this word "filter" is a noun, more specifically, a countable noun. It's also a verb, more specifically, an intransitive verb and a transitive verb.