acid
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acid (as′id)
adjective
- sharp and biting to the taste; sour; tart
- sharp or sarcastic in temperament or speech
- that is, or has the properties of, an acid
- having too heavy a concentration of acid
Etymology: L acidus, sour < IE base *a-, sharp, pointed > ear
noun
- a sour substance
- Slang LSD
- Chem. any compound that can react with a base to form a salt, the hydrogen of the acid being replaced by a positive ion; in modern theory, any substance that produces a positive ion and accepts electrons from a base to form covalent bonds: in water solution an acid tastes sour, turns blue litmus paper red, and, in the dissociation theory, produces free hydrogen ions
Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
Alternate definitions:
acid
modif.
Having the characteristics of an acid
Having the properties of an acid
corrosive, erosive, eroding, corroding, oxidizing, rusting, eating away, biting, disinfectant, disintegrative, dissolvent, bleaching, acidic, anti-alkaline. Cutting or sarcastic
biting, sharp, barbed, astringent; see sarcastic. See syn. study atsour.
acid
n.
A sour substance
acidulous compound, corrosive, Lewis acid, hydrogen-ion concentration. *A drug
LSD, D-lysergic acid diethylamide, hallucinogen, psychedelic; see drug 2.Common acids include: vinegar, acetic acid, verjuice, lemon juice; citric, ascorbic, lactic, malic, formic, tannic, tartaric, nicotinic, boric, acetic, sulfuric, muriatic, hydrochloric, hydrosulfurous, hydrobromic, hydrofluoric, hydrocyanic, hydroferrocyanic, hydriodic, hyponitrous, sulfonic, phosphoric, carbolic, nitric, benzoic, amino, monobasic, dibasic, polybasic acid, aqua regia (Latin).
Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
Converse of object
- dilute: The free fatty acids are then released from the sodium salts by adding a dilute acid.
Adjective modifier
- fatty: Some common fatty acids are shown below: Solid or Liquid?
Modifies a noun
- grassland: In 1990 lowland acid grassland was estimated to cover a total area of 560 ha.
Noun used with modifier
- amino: Proteins are made of long chains of even smaller building blocks called amino acids.
The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.
One misses the hiss of acid.
The Electric Kool-Aid Acid Test
First deal with your own tears; tomorrow do something about acid rain.
Webster's New World Dictionary of Quotations Copyright © 2005 by Chambers Harrap Publishers Ltd. All rights reserved. Published by Wiley, Hoboken, NJ. Used by arrangement with John Wiley & Sons, Inc.
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Cite this page:
MLA Style
"acid." Webster's New World College Dictionary. 2009
- Your Dictionary. 4 July 2009
- <www.yourdictionary.com/acid>
APA Style
acid. (2009). In Webster's New World College Dictionary
- Retrieved July 4th, 2009, from www.yourdictionary.com/acid

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