filter paper
Americannoun
noun
Etymology
Origin of filter paper
First recorded in 1890–95
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.
They also collected urine samples on filter paper to measure estrogen and progesterone, allowing them to identify when ovulation occurred.
From Science Daily ● Dec. 14, 2025
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
Those who are tested will be sent a finger prick to illicit a small sample of blood, which is then stored on a special filter paper.
From Fox News ● May 6, 2020
A few drops of blood are caught on special filter paper to screen for myriad diseases.
From Scientific American ● Aug. 19, 2013
A piece of sterile filter paper is then impaled on the needle and the piston of the syringe pressed upward until all the air is expelled from the barrel and needle.
From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by J. W. H. (John William Henry) Eyre
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