filter paper

American  

noun

1. porous paper used in filtering.

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filter paper British  

noun

1. a porous paper used for filtering liquids

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Etymology

Origin of filter paper

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.

From Science Daily • Jan. 23, 2024

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.

From Scientific American • Nov. 13, 2023

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

From New York Times • Aug. 22, 2022

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.

From Science Magazine • Jun. 30, 2022

From the difference in weight of the gooch or filter paper and the dried residue remaining thereon after filtering and drying, the total percentage of insoluble matter may easily be calculated.

From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by Thomssen, E. G.