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filter
The word carries a strong sense of selective permeability. Whether dealing with physical particles or digital data, the primary image is a barrier that allows only the desired elements to pass while blocking the undesired. It implies a process of refinement and purification. When used to describe human movement, the word shifts from a mechanical process to a fluid, rhythmic one. It suggests a lack of urgency and a fragmented arrival, evoking the image of a liquid slowly dripping through a porous material rather than a sudden surge of a crowd.
Countable when referring to a physical object like a coffee filter. Uncountable when referring to the general process of filtration.
Meanings
A device or medium used to remove impurities or unwanted components from a liquid, gas, or signal.
"Replace the water filter every three months to ensure purity."
To pass a liquid or gas through a device to remove impurities.
"You should filter the coffee through a paper mesh."
To process data or information to remove unwanted elements based on specific criteria.
"The software allows users to filter search results by date."