Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Acid. synonym: sour.
  • adjective Tending to form an acid.

from The Century Dictionary.

  • 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 the GNU version of the Collaborative International Dictionary of English.

  • adjective (Min.) Containing a high percentage of silica; -- opposed to basic.
  • adjective of or relating to acid; having the character of an acid, .

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.
  • adjective mineralogy Containing a high percentage of silica; -- opposed to basic.
  • adjective Of or relating to acid; having the character of an acid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7)
  • adjective being sour to the taste

Etymologies

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Examples

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