litmus paper
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.
The best way to confirm that the solution is neutralized is with litmus paper.
From Seattle Times • Nov. 7, 2022
Watson recalls one telling advertising campaign: posters printed on litmus paper that said: “When acid rain is falling, you should see red” – offering a vivid illustration of the problem.
From The Guardian • Oct. 12, 2020
We are not dealing here," said Acheson, "with the kind of situation where we can go from one country to another with a piece of litmus paper and see whether everything is true blue.
From Time Magazine Archive
But that is not an immutable piece of parchment that judges can apply to laws like litmus paper.
From Time Magazine Archive
A method of testing soils for acidity, which has been in use for many years, is the simple litmus paper method.
From Right Use of Lime in Soil Improvement by Agee, Alva
