litmus
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.
Origin of litmus
1Words Nearby litmus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use litmus in a sentence
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.
Are computers ready to solve this notoriously unwieldy math problem? | Siobhan Roberts | July 2, 2021 | MIT Technology ReviewSuch litmus tests have not applied in Democratic races this year.
Democratic establishment tightens its hold on the party as far-left candidates fall short | Michael Scherer, Gregory S. Schneider, David Weigel | June 10, 2021 | Washington PostCohorts 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.
Programmatic Marketing Summit Recap: Marketers brace for more unknowns amid industry-wide identity shifts | Sara Jerde | June 3, 2021 | DigidayThe problem with this particular litmus test is, it’s not about policy and it’s anti-democratic.
Is There No Place For Liz Cheney In The Modern GOP? | Sarah Frostenson (sarah.frostenson@abc.com) | May 5, 2021 | FiveThirtyEightPolitical parties have had plenty of litmus tests over the decades — positions you almost have to have to be a member in good standing.
Is There No Place For Liz Cheney In The Modern GOP? | Sarah Frostenson (sarah.frostenson@abc.com) | May 5, 2021 | FiveThirtyEight
Again, that pre-communion questionnaire sin litmus test might prove handy.
The Great Divide Facing Pope Francis That Only Catholics Understand | Barbie Latza Nadeau | September 21, 2014 | THE DAILY BEASTApplying 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.
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron) | William Anderson SymeWhen the small residue was completely dry, it was a yellow solid soluble in dilute alcohol and acid to litmus.
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron) | William Anderson SymeVapors and liquid were given off, both of which turned red litmus blue and had a strong odor like tobacco smoke.
Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron) | William Anderson SymeThis is an indicator for bases and acids, like litmus, but it is less sensitive to hydroxide-ion than is litmus.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius Stieglitz
British Dictionary definitions for litmus
/ (ˈlɪtməs) /
a soluble powder obtained from certain lichens. It turns red under acid conditions and blue under basic conditions and is used as an indicator
Origin of litmus
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for litmus
[ lĭt′məs ]
A colored powder, obtained from certain lichens, that changes to red in an acid solution and to blue in an alkaline solution. Litmus is a mixture of various closely related heterocyclic organic compounds.♦ Litmus is typically added to paper to make litmus paper, which can be used to determine whether a solution is basic or acidic by dipping a strip of the paper into the solution and seeing how the paper changes color.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for litmus
[ (lit-muhs) ]
Notes for litmus
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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