Hypertext Webster Gateway: "dibasic"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
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