from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Acid.
- adj. Tending to form an acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.
- adj. Containing a high percentage of silica; -- opposed to basic.
- adj. Of or relating to acid; having the character of an acid.
from the GNU version of the Collaborative International Dictionary of English
- adj. Containing a high percentage of silica; -- opposed to
- adj. of or relating to acid; having the character of an acid, .
from The Century Dictionary and Cyclopedia
- Acid: in chem., applied to the acid element, as silicon, in certain salts: opposed to basic.
- Containing a large amount of the acid element: as, the acidic feldspars, which contain 60 per cent. or more of silica.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7)
- adj. being sour to the taste
Sorry, no etymologies found.