Noun
a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
a test that relies on a single indicator
Source: WordNetOrwell is almost our litmus test. Some of his satirical writing looks like reality these days. John Pilger
I think that's the true litmus test for someone who has become closer to Jesus: their heart is more loving, accepting, childlike, less believing that they have all the answers and more believing in Him. Don Miller (author)
One congressman asked 'I just want to know if you've accepted Jesus Christ as your personal savior. The minister looked stunned, and he said 'no.' The whole table almost fell on the floor. The congressman was quite serious. That was his litmus test. Jim Sasser
The litmus test of our love for God is our love of neighbor. Brennan Manning
I have never given a litmus test to anyone that I have appointed to the bench.... I feel very strongly about those social issues, but I also place my confidence in the fact that the one thing that I do seek are judges that will interpret the law and not write the law. Ronald Reagan
The litmus test for whether I want to take on a role or not is usually fear. If Im afraid of it, then I want to do it. Brit Marling