资料来源 : pyDict

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资料来源 : Webster's Revised Unabridged Dictionary (1913)

Dibasic \Di*ba"sic\, a. [Pref. di- + basic.] (Chem.)
   Having two acid hydrogen atoms capable of replacement by
   basic atoms or radicals, in forming salts; bibasic; -- said
   of acids, as oxalic or sulphuric acids. Cf. {Diacid},
   {Bibasic}.

   Note: In the case of certain acids dibasic and divalent are
         not synonymous; as, tartaric acid is tetravalent and
         dibasic, lactic acid is divalent but monobasic.