acid test


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acid test

A conclusive test. The phrase comes from the 19th-century practice of testing metals in nitric acid to determine if they contained gold. Restructuring the organization will be the acid test that determines whether or not it can survive the sudden downturn in the economy.
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acid test

Fig. a test whose findings are beyond doubt or dispute. The senator doesn't look too popular just now, but the acid test will be if he gets reelected.
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acid test

A decisive trial to determine worth or quality, as in Exposure to brilliant sunlight is the acid test for showing this fabric won't fade. Alluding to a 19th-century chemical test for distinguishing gold from other metals, this term was used figuratively by the early 1900s.
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the acid test

COMMON If you call something the acid test, it will prove how effective or useful something is. The acid test for the vaccine will be its performance in the south where the disease is more widespread. So far, I don't feel too bad but I'm waiting for my first really stressful day when things go wrong. That will be the real acid test. Note: Nitric acid can be used to test whether a metal is pure gold because it damages most metals but does not affect gold.
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the acid test

a situation or event which finally proves whether something is good or bad, true or false, etc.
The original use of the phrase was to describe a method of testing for gold with nitric acid (gold being resistant to the effects of nitric acid).
1990 Which? These deals are designed to encourage impulse buying, so the acid test is whether you would have bought anyway.
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the ˌacid ˈtest (of something)

(also the ˈlitmus test especially in American English ) a situation which finally proves whether something is good or bad, true or false, etc: They’ve always been good friends, but the acid test will come when they have to share a flat.Both these expressions originally referred to chemical tests. The acid test uses nitric acid to test if something is made of gold. The litmus test uses litmus paper to test for acids and alkalis.
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References in periodicals archive ?
Haoyuan now is the only local maker of approved nucleic acid test agents in China, Medigen said, in addition to international pharmaceutical maker Roche.
couldn't hurt its standing with lenders if that acid test ratio of 0.
AIG's return-on-investment acid test for subsidiaries applies to the company's cyberspace exploits as well.
Debt service coverage ratio is the lender's acid test.
It is true, as he observes at the end of the book, that the acid test will come in the next downturn when unemployment rises and the rolls swell again.
In this section he probes the facts of Israel's two-phase presence as a state in the territory of Palestine (1948-67, 1967-present) with his working normative conception of democracy: "Jewish-Arab relations within Israel are the acid test of Israeli democracy" (208, also 253).
Acid Test has disappointed under big weights in handicaps since winning at Lingfield in June, but William Muir now drops him in class for the Charnwood Claiming Stakes (4.
Essentially these towers represent the acid test both of Yeang's philosophy and his ability to deliver added value in a highly competitive marketplace.
The voters approved, and the result was so successful the tax has passed the acid test of a second vote to extend it.
The grant, from the National Institute of Allergy and Infectious Diseases under the National Institutes of Health (NIH), will help Micronics determine whether its rapid nucleic acid test to diagnose HIV is comparable in both sensitivity and specificity to the only FDA licensed diagnostic nucleic acid test in use today.
Contract awarded for cod 12555 reagent uric acid test for determining qty 10,000
14 July 2014 - US provider of point-of-care (POC) diagnostics and services Alere Inc (NYSE:ALR) unveiled today study findings showing that its Alere q HIV-1/2 Detect assay, the prototype of the company's new POC nucleic acid test, had accurately and rapidly detected HIV in infants in Mozambique.
South Africa are the world champions and they will be our acid test, they'll be the barometer to find out where we really are in world rugby because we haven't played any of the top four.
While Tom Wolfe documented the seismic societal upheaval of the era in his classic ``The Electric Cool-Aid Acid Test,'' Thompson documented it while living it in his early books.
Let's have the acid test and ask readers to ring in with a decision on whether they would like to continue with devolved government or whether they would like to go back to being ruled direct from Westminster.