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.
the GNU version of the Collaborative International Dictionary of English
adj. Containing a high percentage of silica; -- opposed to basic.
adj. of or relating to acid; having the character of an acid, .
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.
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
Word Usage
"Good idea .... and run a few blind tastings against some of those expensive thin acidic Bordeaux wines that have to pollute Al Gore's environment to get to the US."