From litmus + test.
litmus test (plural litmus tests)
- (chemistry) A simple test for the acidity or alkalinity of a substance, using litmus paper.
- (figuratively, by extension) Any test which produces a decisive result by measuring a single indicator.
- 1940, Allison Danzig, "Leading Elevens Face Stern Threats in Saturday's Games," New York Times, 2 Oct., p. 27,
- Temple, under its new coach, Ray Morrison, formerly of Vanderbilt, will be put to the blue litmus test Friday night when it takes on Georgetown.
- 1998, "Baby-Boomer Bonding," Newsweek, 16 Feb.,
- For good reasons or bad, early membership of the currency union has become the litmus test of being a "good European."
- 2004, Matthew Cooper, "Candidates In the Wings," Time, 15 Nov.,
- He opposes a constitutional amendment to ban same-sex marriage—a litmus test for many social conservatives.
Last modified on 10 November 2012, at 16:53
- "litmus test" at OneLook® Dictionary Search.
- Random House Webster's Unabridged Electronic Dictionary, 1987-1996.