from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry any cation having more than one positive charge


Sorry, no etymologies found.


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  • Increasing the charge increases the elasticity and tensile strength, because the adhesion between the polycation-coated platelets is stronger.

    Nano Tech Wire 2010

  • The first component is a linear, cyclodextrin-containing polycation that, when mixed with small interfering RNA (siRNA), binds to the anionic "backbone" of the siRNA.

    Medlogs - Recent stories 2008


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