polybasic

(päl′i bāsik)

adjective

  1. designating an acid having more than one hydrogen atom (per molecule) replaceable by basic atoms or radicals
  2. designating a salt having more than one atom (per molecule) of a monovalent metal

Origin: poly- + basic

See polybasic in American Heritage Dictionary 4

adjective
Of or relating to an acid that has two or more hydrogen atoms that can be replaced by basic atoms or radicals.

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