A dyestuff extracted from certain lichens (Roccella tinctoria, Lecanora tartarea, etc.), as a blue amorphous mass which consists of a compound of the alkaline carbonates with certain coloring matters related to orcin and orcein.
If you only believe that you're an artist when you have a big advance in your pocket and a single coming out, I would say that's quite soulless. You have to have a sense of your own greatness and your own ability from a very deep place inside you. I am the one with the litmus test in my hands of what people need to hear next. Lady Gaga
Positioning the brand and regaining trust are all smart things for us to do and those are the litmus tests for any decisions we make. John McKinley
A good litmus test is that you should be comfortable with your significant other being present when you hang out with your friend. Olivia Wilde
Orwell is almost our litmus test. Some of his satirical writing looks like reality these days. John Pilger
I don't have many litmus tests, but this is one: Any candidate who doesn't understand that we need to balance the budget should not be president of the United States. Jim DeMint