filter
noun
any substance, as cloth, paper, porous porcelain, or a layer of charcoal or sand, through which liquid or gas is passed to remove suspended impurities or to recover solids.
filters
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pluralof filter.plural
The grammatical form denoting more than one person, place, thing, or idea.
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present tense formof filter (3rd person singular).present tense
Used to describe things happening now or regularly.
filternounany substance, as cloth, paper, porous porcelain, or a layer of charcoal or sand, through which liquid or gas is passed to remove suspended impurities or to recover solids.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The unexpected finding suggested that the drug was doing more than simply reopening the liver's aging filters.
From Science Daily ● Nov. 3, 2026
Americans attempting to use superior closed-source models to defend themselves from attacks often find their efforts stymied by the filters.
From The Wall Street Journal ● Oct. 28, 2026
Women's health creators and charities have told us their content has been removed, had sensitivity filters added, or had its reach suppressed - a practice known as "shadowbanning".
From BBC ● Oct. 16, 2026
Qualifying residents will also receive air filters to mitigate pollution from diesel and heavy construction equipment.
From Los Angeles Times ● Oct. 16, 2026
I'd been asleep long enough that my filters were useless.
From "The Martian" by Andy Weir
