a blue coloring matter obtained from certain lichens, especially Roccella tinctoria. In alkaline solution litmus turns blue, in acid solution, red: widely used as a chemical indicator.
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Aaronson figured it would be much easier to solve the system minus one of the 11 rules—leaving a “Collatz-like” system, a litmus test for the larger goal.
Such litmus tests have not applied in Democratic races this year.
Cohorts identify these user traits without compromising the user’s privacy, passing a critical litmus test for any viable targeting or measurement solution as programmatic marketing moves toward the post-cookie era.
The problem with this particular litmus test is, it’s not about policy and it’s anti-democratic.
So, over the years, we’ve seen the GOP grow more conservative, in part perhaps due to these litmus tests.
Again, that pre-communion questionnaire sin litmus test might prove handy.
Applying an ideological litmus test for commencement speakers is not a good idea.
But when did they become the litmus test of competence in office?
So they are a litmus paper for wider fertility—not a significant driver of Israeli birthrates.
Opposition to the Affordable Care Act in toto might linger as a litmus test for conservatives.
The solution of lead must contain acid; and if by keeping it does not change litmus-paper, acid must be added till it does.
The blue litmus paper became red showing the presence of an acid.
When the small residue was completely dry, it was a yellow solid soluble in dilute alcohol and acid to litmus.
Vapors and liquid were given off, both of which turned red litmus blue and had a strong odor like tobacco smoke.
This is an indicator for bases and acids, like litmus, but it is less sensitive to hydroxide-ion than is litmus.