Medical Dictionary

polyanion

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noun poly·an·ion \ˌpäl-ē-ˈan-ˌī-ən\

Medical Definition of polyanion

  1. :  a molecule or chemical complex having negative charges at several sites

polyanionic

\-ˌan-(ˌ)ī-ˈän-ik\play adjective

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contemplative of or relative to the past

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