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
It is easy enough to say, with Elmer Davis, that eminent piece of journalistic litmus paper, that ex-Communists are bores.
From Time Magazine Archive
Less lofty in style than much of what Hindemith has written recently, it is tautly constructed, as responsive to the text's moods as litmus paper to acid.
From Time Magazine Archive
A package of blue litmus paper can be bought for a few cents at any drug store.
From Crops and Methods for Soil Improvement by Agee, Alva
