acidic

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

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This entry was last updated on RefTopia from its source on 3/20/2012.