filter paper

noun

1. porous paper used in filtering.

filter paper

noun

1. a porous paper used for filtering liquids

Word History and Origins

Origin of filter paper¹

First recorded in 1890–95

Example Sentences

Today's options for portable water filtration of tiny particles mostly consist of filter paper and microporous membranes.

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Blood obtained by pricking a baby’s heel was collected on filter paper and tested for phenylketonuria, a rare metabolic condition that, if untreated, causes intellectual disability.

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For instance, Russia produces a lot of tea, Mr. Fedyakov said, but it imports the filter paper used in tea bags.

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This involves placing a piece of filter paper for 60 seconds between a dog’s lower eyelid and cornea.

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The scientists wiped the armpits of healthy people and dengue fever patients with an absorbent material, isolated the molecules that could become airborne, and dabbed them onto filter paper.

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