- n 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
- There are litmus-test land mines in every audience.
- Since Congress put the pressure on it to boot out Communists, the State Department had filtered 3,000 of its employes through its litmus papers for traces of red.
- Only after the start of Bush's second term did a political litmus test emerge, industry sources say.
- Patrick Leahy in The Associated Press
Leahy and Sessions both said they hoped Kagan would answer questions candidly, although the chairman also cautioned, "No senator should seek to impose an ideological litmus test to secure promises of specific outcomes in cases coming before the...
- Rudy Giuliani in Guardian Unlimited
Abortion is not a litmus test. Roe v. Wade is not a litmus test. No particular case is a litmus test. That's not the way to appoint Supreme Court justices or any judge,Giuliani said.
- Michael Bloomberg in ABC News
Mayor Michael Bloomberg said the city would provide protection for all guests of the United Nations without requiring that they pass a "litmus test for views."