Chemistry. the use of litmus paper or solution to test the acidity or alkalinity of a solution.
a crucial and revealing test in which there is one decisive factor.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use litmus test in a sentence
Brutally, the litmus test is whether they’re led or whether they’re managed.With many employees wary, company leaders prepare their return-to-office coronavirus vaccine policies | Jessica Davies | January 18, 2021 | Digiday
The first thing we did was find a manufacturing partner that met our litmus tests of being able to produce genuine medical masks, was socially responsible, and was able to produce masks at scale to ensure they were affordable.This female-founded face mask brand had a wait-list of more than 40,000 customers | Rachel King | January 17, 2021 | Fortune
The facilities have become a kind of litmus test for how policymakers rate the strength of the recovery.Fed leaders more optimistic on jobs, GDP growth at final 2020 policy meeting | Rachel Siegel | December 16, 2020 | Washington Post
Satire has been a key feature of Kenyan political culture for decades now, humorously exposing and criticizing wrongs while also acting as a litmus test for free speech.In Kenya, a puppet TV show keeps building on the country’s legacy of political satire | Carlos Mureithi | November 29, 2020 | Quartz
She’s a litmus test for us, along with all the other people that are working.
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 BEAST
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?
Opposition to the Affordable Care Act in toto might linger as a litmus test for conservatives.
The right-wing base and media will make it a litmus test issue.
British Dictionary definitions for litmus test
a test to establish the acidity or alkalinity of a mixture
a critical indication of future success or failure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012