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.

From Science Daily

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

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

From New York Times

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

From New York Times

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