Noun Acid Definition and Examples


Noun:

Acid

Pronunciation:

/ˈasɪd/

Definition:
1.

noun

A substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind.
  1. mass noun 'traces of acid'
  2. 'Most of the corrosive acid quickly evaporated from the road that was warmed by early morning sunshine and a fresh breeze helped it to quickly dissipate into the atmosphere.'
  3. 'Copper is a moderately reactive metal that dissolves in most acids and alkalis.'
  4. 'Lactate, your body's buffering agent, neutralizes the acid that builds up in your legs and makes them burn during heavy exertion.'
  5. 'The creek began running the color of old blood, poisoned by acids and heavy metals leached from the coal mines.'
  6. 'It can withstand high temperatures and is resistant to many corrosive substances such as acids and alkalis.'
  7. 'I reach down and pry the knife she was holding out of her hands; it's a standard chainsteel model, but with a hollow edge filled with corrosive hexavalent acid.'
  8. 'It combines with most non-metals at high temperatures and reacts with both acids and alkalis.'
  9. 'The rotting process releases acids which dissolve metals into liquids which leach out of waste dumps and can poison local rivers.'
  10. 'The element is not very reactive chemically, although it does dissolve in most acids.'
  11. 'Concentrated acids and caustic alkalis should be handled with the greatest care.'
  12. 'The acid of Mrs Shrewsbury's scorn reached a raw nerve as she pronounced: ‘Men - savages!’'
  13. 'Her tone lacked its previous acid; she almost sounded sincere.'
  14. '‘Big surprise there,’ Jordan quipped, though with considerably less acid in his voice.'
A molecule or other species which can donate a proton or accept an electron pair in reactions.
  1. 'The acid's active ingredient is positively charged hydrogen, so a transfer of electrons takes place between the zinc and the acid.'
  2. 'Weak acids have dissociable protons like strong acids, but they simply do not dissociate completely.'
The drug LSD.
  1. as modifier 'a bad acid trip'
  2. 'Flashbacks can occur at any time after taking acid, sometimes even after many years.'
  3. 'He has used mescaline, cocaine and acid, although he has not indulged in intravenous drugs.'

adjective

Containing acid or having the properties of an acid; having a pH of less than 7.
  1. 'The blunt truth is that the wet acid soils of the Highlands could not support any tolerable standard of living, particularly as the inhabitants could now compare their condition with those in other areas.'
  2. 'It used to be that, if you had a very acid soil, the hydrangeas would be bluer; more alkaline soil, your hydrangeas would be pinker.'
  3. 'Boxwood prefer slightly acid to slightly alkaline soil and do very well when planted in early fall.'
  4. 'If you have an acid soil, a good way to rectify the situation is to rake lime into the ground in late winter.'
  5. 'Unlike many magnolias, M. stellata will grow just as well on alkaline soils as it will on acid soil.'
  6. 'In the garden it likes sun or partial shade and well-drained acid soil - like most Ericas it dislikes being grown in limy conditions.'
  7. 'Kochian's lab is also working on finding ways to grow crops on marginal lands such as acid soils, where toxic levels of aluminum limit crop production.'
  8. 'The entrance is enhanced by plants such as ready grown, trees, magnolias and other plants suited to the acid soil of the area with ready grown creepers lining the pillars.'
  9. 'Sorrel likes rich, moist, acid soil and will even grow in containers.'
  10. 'Carrot plants do not grow well in strongly acid soils; therefore, a pH range of 6.0 to 6.8 should be maintained for best results.'
Sharp-tasting or sour.
  1. 'On the visit to the GP I saw a locum who said I must sit about for the next week, not use the computer, and keep off acid fruits.'
  2. 'It is an acid cherry that provides a bittersweet flavour when fully ripe.'
  3. 'This may enhance pleasant tastes and decrease salty, bitter, or acid tastes.'
  4. 'They rely on a judicious ratio of noodle, meat and/or vegetables to broth and a sophisticated interplay of flavours which might include salty, sour, acid, sweet and spicy - hot.'
  5. 'It is medium bodied with surprisingly strong flavors, a crisp acid balance and a slightly bitter finish.'
  6. 'I smiled as sweetly as I could and kissed her cheek as I breathed in the pungent acid aroma.'
  7. 'These cases attract great attention, and acid comments from magistrates.'
  8. 'The letter ends with more acid advice: Since the politician has a lifetime pension, he'd be better off polishing his golf game.'
  9. 'Sadie spat in an acid tone, refusing to even acknowledge that the woman was her mother.'
  10. 'He has become more prominent since Henry took over in November 1999 and adds the sugar to the coach's acid remarks when things are not going well.'
  11. 'He makes some quite acid comments about the seventies mystical counterculture which make for very amusing reading now.'
  12. 'Fired by anger and fear, I spun to face my assailant, acid demands on my lips - and the words died.'
  13. 'Her interpretation is perfectly pitched to Catherine's acid sarcasm.'
  14. 'Sometimes he brings his wife, to swap acid comments with the bartender.'
  15. 'Asked what he thinks about that constant speculation, the Frenchman's acid response is that his counterpart must have a good agent.'
  16. '‘Please leave, I do not wish to speak to you,’ she said in quietly acid tones that immediately raised his concern.'
  17. 'an acid green'
  18. 'Anita Dongre presented her pastel collection of chikan work for the Spring-Summer 2001 season in pastel shades of pink, acid green and turquoise blue.'
  19. 'My designs are usually quite dark, but this time the palette has acid greens and pinks.'
  20. 'From the cool modernity of the main space, the bedrooms and bathroom offer a contradictory riot of colour, walls varying from acid green to purple throughout the five bedrooms and bathrooms.'
  21. 'I see all these colours against a background of acid yellow, with a touch of green for envy, malice and general discontent.'
  22. 'Allfree's bold use of colour - citron, turquoise, acid green, crimson - breathes new life into the building.'
  23. 'He was tall, about six foot two, with dark hair and acid green eyes.'
  24. 'She reckons you can get away with virtually anything, particularly acid colours.'
  25. 'In a Dolce and Gabanna dress and acid green Philip Treacy hat, antique dealer Sarah Vernon, 38, drew approving glances from fellow-racegoers.'
  26. 'The sky was a dark grey colour, occasionally coloured with deep red and acid green.'
  27. 'In acid bright livery, these compact vans are the latest word in funky design.'
(of rock, especially lava) containing a relatively high proportion of silica.
  1. 'In the Southern Central Iberian Zone there are minor acid volcanic rocks intercalated with Caradoc-Ashgill limestones.'
  2. 'At higher elevations on these mountains, the parent material is acid crystalline rock.'
  3. 'The Haluut Bulag melange contains lenses of limestone, sandstone, chert, tuff, minor acid volcanic material, and vesicular basalt.'
  4. 'In the acid processes, deoxidation can take place in the furnaces, leaving a reasonable time for the inclusions to rise into the slag and so be removed before casting.'
  5. 'As it happened, Workington's adherence to acid steelmaking sealed the fate of the ore dock in the next few years.'
  6. 'Ideally, a non-contact sensor would be inserted into the acid process in an appropriate location and allowed to communicate with a base instrument located remotely in the safe environment of a control room.'
((n.) A sour substance.|--|(n.) One of a class of compounds, generally but not always distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized by the power of destroying the distinctive properties of alkalies or bases, combining with them to form salts, at the same time losing their own peculiar properties. They all contain hydrogen, united with a more negative element or radical, either alone, or more generally with oxygen, and take their names from this negative element or radical. Those which contain no oxygen are sometimes called hydracids in distinction from the others which are called oxygen acids or oxacids.|--|)


noun

1. Chemistry. a compound usually having a sour taste and capable of neutralizing alkalis and reddening blue litmus paper, containing hydrogen that can be replaced by a metal or an electropositive group to form a salt, or containing an atom that can accept a pair of electrons from a base. Acids are proton donors that yield hydronium ions in water solution, or electron-pair acceptors that combine with electron-pair donors or bases.

2. a substance with a sour taste.

3. something, as a remark or piece of writing, that is sharp, sour, or ill-natured: His criticism was pure acid.

4. Slang. LSD2 . adjective

5. Chemistry. belonging or pertaining to acids or the anhydrides of acids. having only a part of the hydrogen of an acid replaced by a metal or its equivalent: an acid phosphate. having a pH value of less than

7.Compare alkaline (def 4).

6. sharp or biting to the taste; tasting like vinegar; sour: acid fruits.

7. sharp, biting, or ill-natured in mood, manner, etc.: an acid remark; an acid wit.

8. Geology. containing much silica.

9. Metallurgy. noting, pertaining to, or made by a process in which the lining of the furnace, or the slag that is present, functions as an acid in high-temperature reactions in taking electrons from oxide ions: usually a siliceous material, as sand or ganister.Compare basic (def 3). Idioms 10. put on the acid, Australian Slang. to importune someone, as for money, sexual favors, or confidential information.


Examples:

"There can be acid tryptophans."
"There can be acid serines."
"There can be acid series."
"There can be acid sequences."
"There can be acid residues."
"There can be acid patterns."
"There can be acid oxidises."
"There can be acid metabolisms."
"There can be acid intermediates."
"There can be acid insertions."
"There can be acid deoxyriboses."
"There can be acid causes."
"There can be acid bases."
"acids can be in positions."
"acids can be in proteins."
"acids can be to waters."
"acids can be to conditions."
"acids can be in patients."
"acids can be in rats."
"acids can be in people/places/organizations."

Origin:
Early 17th century (in the sense ‘sour-tasting’): from Latin acidus, from acere ‘be sour’.

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