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polybasic Definition

poly·basic (päl′i bās′ik)

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

Etymology: poly- + basic

polybasic Usage Examples

Modifies a noun

acid: The operation of the electroneutral anion carriers leads to a modest accumulation of polybasic acids ( especially citrate ) within the matrix space.