filter
/ˈfɪltɚ/
Frequency: 4.28 in modern English
Meaning
noun
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.
noun
Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.
noun
Self-restraint in speech.
noun
A non-empty upper set (of a partially ordered set) which is closed under binary infima (a.k.a. meets).
noun
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.
noun
An appearance-altering digital image effect.
Example Sentences
- "Then add four drops of crocodile semen, and pass the mixture through a filter."
- "He runs an email filter to catch the junk mail."
- "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's got no filter, and he's always offending people as a result."
- "These were women with enormous feelings and, almost always, no filter to mediate their expression of them."
- "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."
Etymology
Origin
Word Breakdown
Regional Pronunciation
- American English: /ˈfɪltɚ/
- British English: /ˈfɪltə/