[1] : The Collaborative International Dictionary of English v.0.48

acidic \acid"ic\, a. min.
   1. containing a high percentage of silica; -- opposed to
      basic.
      1913 webster

   2. of or relating to acid; having the character of an acid,
      as an acidic solution.
      pjc
see also:
basic 

[2] : WordNet (r) 2.0

acidic
     adj 1: being or containing an acid; of a solution having an excess
            of hydrogen atoms having a ph of less than 7 ant: alkaline,
             amphoteric
     2: tasting sour like acid syn: acidulent, acidulous
see also:
alkaline amphoteric acidulent acidulous 

Acidic >> A Words
Acidic, definition of term: Acidic
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