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.
What this acid test indicates is how many current assets -- that is, how much cash and things it can sell quickly for cash -- a company has on hand, exclusive of inventories, to pay the bills.
Scott Martin Alexander, chief e-business officer for AIG, said the company's legendary return-on-investment acid test for subsidiaries applies to the company's cyberspace exploits as well.
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.
MAN CITY manager Syen-Goran Eriksson has admitted Sunday's derby clash with United represents the acid test of his side's stunning improvement.
Our panel awarded Shloer Bucks Fizz 48 points out of 50 last year--the highest score recorded in The Grocer's Acid Test slot during 2006.
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.
The acid test of ownership is the ability to sell what we think we own.
I like their stuff; so much I'm actually thinking of opening a franchise of Acid Test in Liverpool this year.
1 Alain Baxter will today put his re-built skis to the acid test as he returns to the World Cup circuit in the Swiss resort of Adelboden.
In this matter, the eyes not only of the Barnetts' shades but of public funding organizations will be upon her: Government policy now favors statistical surveys of museums' and galleries' relevance for low earners and ethnic minorities as the acid test for deciding who gets civic pounds.
Christina, whose new single is a duet with Ricky Martin, said recently: "The acid test will be to see who survives the longest.
Then he delivers an analgesic drug to the animal and runs this acid test again.