: unsized paper colored with litmus and used as an indicator
Examples of litmus paper in a Sentence
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At the hospital, a health care provider might use diagnostic tests to determine if your water has broken, such as the following:
Introducing a small piece of paper, called litmus paper, during a vaginal exam.—
Nicole Harris,
Parents,
14 Mar. 2024 Liquid samples can be tested with detector paper, which is similar to a large piece of litmus paper.—
Popular Mechanics Editors,
Popular Mechanics,
7 Aug. 2018 Sleep is just a litmus paper to physical and mental health.—
Andrew Moseman,
Discover Magazine,
5 May 2010