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
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
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 • Jan. 13, 2023
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
Add water to the ash, in the platinum dish, heat nearly to boiling, filter through ash-free filter paper, and wash with hot water until the combined filtrate and washings measure to about 60 cc.
From All About Coffee by Ukers, William H. (William Harrison)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
