filter
English
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Etymology
From Middle English filtre, from Medieval Latin filtrum (compare also Old French feutre (“felt; filter”)), from Frankish *filtir, from Proto-Germanic *feltaz. See felt.
Pronunciation
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Audio (US) (file) - Rhymes: -ɪltə(ɹ)
- Homophone: philter
Noun
filter (plural filters)
- 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.
- 2013 May 25, “No hiding place”, in The Economist[1], volume 407, number 8837, page 74:
- 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.
- He runs an email filter to catch the junk mail.
- (figurative) 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.
Antonyms
- (order theory): ideal
Hyponyms
Derived terms
- clear-filter
- filter bed
- (order theory): ultrafilter
Translations
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- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Verb
filter (third-person singular simple present filters, present participle filtering, simple past and past participle filtered)
- (transitive) To sort, sift, or isolate.
- This strainer should filter out the large particles.
- 1954, Alexander Alderson, chapter 5, in The Subtle Minotaur[2]:
- “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.
- The leaves of the trees filtered the light.
- (intransitive) To pass through a filter or to act as though passing through a filter.
- The water filtered through the rock and soil.
- (intransitive) To move slowly or gradually; to come or go a few at a time.
- The crowd filtered into the theater.
- (intransitive) To ride a motorcycle between lanes on a road
- I can skip past all the traffic on my bike by filtering.
Synonyms
- (to sort, sift, or isolate) to filter out (something)
Translations
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- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
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Related terms
Anagrams
Danish
Noun
filter n (singular definite filtret or filteret, plural indefinite filtre)
Inflection
Dutch
Pronunciation
Audio (file)
Noun
filter m or n (plural filters, diminutive filtertje n)
Anagrams
German
Verb
filter
- (deprecated template usage) First-person singular present of filtern.
- (deprecated template usage) Imperative singular of filtern.
Hungarian
Etymology
From German Filter, from Medieval Latin filtrum.[1]
Pronunciation
Noun
filter
Declension
Inflection (stem in -e-, front unrounded harmony) | ||
---|---|---|
singular | plural | |
nominative | filter | filterek |
accusative | filtert | filtereket |
dative | filternek | filtereknek |
instrumental | filterrel | filterekkel |
causal-final | filterért | filterekért |
translative | filterré | filterekké |
terminative | filterig | filterekig |
essive-formal | filterként | filterekként |
essive-modal | — | — |
inessive | filterben | filterekben |
superessive | filteren | filtereken |
adessive | filternél | filtereknél |
illative | filterbe | filterekbe |
sublative | filterre | filterekre |
allative | filterhez | filterekhez |
elative | filterből | filterekből |
delative | filterről | filterekről |
ablative | filtertől | filterektől |
non-attributive possessive - singular |
filteré | filtereké |
non-attributive possessive - plural |
filteréi | filterekéi |
Possessive forms of filter | ||
---|---|---|
possessor | single possession | multiple possessions |
1st person sing. | filterem | filtereim |
2nd person sing. | filtered | filtereid |
3rd person sing. | filtere | filterei |
1st person plural | filterünk | filtereink |
2nd person plural | filteretek | filtereitek |
3rd person plural | filterük | filtereik |
References
- ^ Tótfalusi, István. Idegenszó-tár: Idegen szavak értelmező és etimológiai szótára (’A Storehouse of Foreign Words: an explanatory and etymological dictionary of foreign words’). Budapest: Tinta Könyvkiadó, 2005. →ISBN
Norwegian Bokmål
Etymology
Noun
filter n (definite singular filteret or filtret, indefinite plural filter or filtre, definite plural filtra or filtrene)
- a filter
Derived terms
Related terms
References
- “filter” in The Bokmål Dictionary.
Norwegian Nynorsk
Etymology
Noun
filter n (definite singular filteret, indefinite plural filter, definite plural filtera)
- a filter
Derived terms
References
- “filter” in The Nynorsk Dictionary.
Serbo-Croatian
Alternative forms
Pronunciation
Noun
fìlter m (Cyrillic spelling фѝлтер)
Swedish
Noun
filter n
- A filter.
Declension
Declension of filter | ||||
---|---|---|---|---|
Singular | Plural | |||
Indefinite | Definite | Indefinite | Definite | |
Nominative | filter | filtret | filter | filtren |
Genitive | filters | filtrets | filters | filtrens |
Anagrams
- English terms inherited from Middle English
- English terms derived from Middle English
- English terms derived from Medieval Latin
- English terms derived from Frankish
- English terms derived from Proto-Germanic
- English 2-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/ɪltə(ɹ)
- English terms with homophones
- English lemmas
- English nouns
- English countable nouns
- English terms with quotations
- English terms with usage examples
- en:Mathematics
- English verbs
- English transitive verbs
- English intransitive verbs
- en:Technology
- Danish lemmas
- Danish nouns
- Danish neuter nouns
- Dutch terms with audio links
- Dutch lemmas
- Dutch nouns
- Dutch nouns with plural in -s
- Dutch masculine nouns
- Dutch neuter nouns
- Dutch nouns with multiple genders
- German non-lemma forms
- German verb forms
- Hungarian terms derived from German
- Hungarian terms derived from Medieval Latin
- Hungarian terms with IPA pronunciation
- Hungarian lemmas
- Hungarian nouns
- Norwegian Bokmål terms derived from French
- Norwegian Bokmål lemmas
- Norwegian Bokmål nouns
- Norwegian Bokmål neuter nouns
- Norwegian Nynorsk terms derived from French
- Norwegian Nynorsk lemmas
- Norwegian Nynorsk nouns
- Norwegian Nynorsk neuter nouns
- Serbo-Croatian terms with IPA pronunciation
- Serbo-Croatian lemmas
- Serbo-Croatian nouns
- Serbo-Croatian masculine nouns
- Swedish lemmas
- Swedish nouns
- Swedish neuter nouns