Acidic

2 definitions found

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

  Acidic \A*cid"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]

From WordNet (r) 2.0 [wn]:

  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}]