acid

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Related to Acids: Strong acids

come the acid

To be unpleasant or offensive, usually due to speaking in a caustic or sarcastic manner. Often followed by "with (someone)." Don't come the acid with me, son, or I'll knock you upside the head. I try to avoid her whenever I can, for she's far too quick to come the acid.
See also: acid, come

put the acid on (someone)

To beg, importune, or proposition (someone) for something, such as a money loan, a favor (sexual or otherwise), or information. Primarily heard in Australia, New Zealand. My no-account brother-in-law is always putting the acid on for a money loan—which, I'll add, he has never once paid back. It's like he's surprised when women in a random bar don't all come up putting the acid on him.
See also: acid, on, put

be on acid

To be under the influence of lysergic acid diethylamide (LSD), a powerful psychedelic drug commonly known as "acid." A lot of my friends like being on acid, but it just makes me feel really tense and paranoid.
See also: acid, on

on acid

Under the influence of lysergic acid diethylamide (LSD), a powerful psychedelic drug commonly known as "acid." The man was reportedly on acid when claimed he could fly and tried to jump off the building.
See also: acid, on

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.
See also: acid, test

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.
See also: acid, test

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.
See also: acid, test

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.
See also: acid, test

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.
See also: acid, test

come the acid

be unpleasant or offensive; speak in a caustic or sarcastic manner.
See also: acid, come

put the acid on someone

try to extract a loan or favour from someone. Australian & New Zealand informal
See also: acid, on, put, someone

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.
See also: acid, test

acid

n. lysergic acid diethylamide (LSD). (Drugs.) Freddy got hold of some bad acid and freaked out.
References in periodicals archive ?
Several experimental results showed that the oil content and oil fatty acid composition of sunflower are equally determined by genotype, weather conditions of year and agrotechnical factors (Baydar and Erbas, 2005; Joksinovic et al.
In the same vessel, the sulfonation products were treated with nitric acid (HNO3) without isomer separation.
During test roasting it was noticed that the individual acids reacted differently during the development of the roast.
Gao YZ, He JZ, Ling WT, Hu HQ, Liu F (2003) Effects of organic acids on copper and cadmium desorption from contaminated soils.
Glucuronic acid-conjugated dihydroxy fatty acids in the urine of patients with generalized peroxisomal disorders.
It was anticipated that the nano HA prepared from carbonic acid would be more soluble than crystalline HA, both because of its small particle size and C[O.
Inheritance of oleic and linoleic acids in Zea mays L.
Most fatty acids have both a familiar name and a numerical identifier, such as 18:2[Delta]9,12.
The latest wave of studies confirms some characteristics of two polyunsaturated fatty acids, the so-called omega 3s, which are abundant in fish.
If an acid limestone or marble, bubbling will occur.
Trans fatty acids are found in shortening and hundreds of cakes, cookies, chips, and fried foods that are made with "partially hydrogenated" oils.
LONDON -- The previous years were hard for the adipic acid market.
In tissue fluids and cell culture media, the situation is radically different owing to the presence of a wide variety of natural metal complexing agents (chelators), such as amino acids, peptides, proteins, nucleotides, and glutathione, which may bind and profoundly affect the redox potential of these metals (Holmes and Williams 2000) or their dioxygen coordination capacity (Boca 1983; Van Horn et al.