cation exchanger

noun

Definition of cation exchanger

  1. :  a cation-exchange agent that can exchange its cation with the cation or cations of a solution passed through it and that consists of an insoluble saltlike or acidic substance:as a :  a natural or synthetic zeolite b :  a sulfonated coal c :  a synthetic organic resin containing sulfonic or carboxylic acid groups

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capable of being understood in two ways

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