D defs.my
Entry 1 sense Webster, 1913

deionizer

· de·i·on·iz·er · IPA
01 n. an apparatus used to remove ions from a solution; a common variant contains a mixture of cation exchange resin in the acid form and anion e…
  1. 1.
    an apparatus used to remove ions from a solution; a common variant contains a mixture of cation exchange resin in the acid form and anion exchange resin in the hydroxyl form inside a replaceable cartridge; ions in aqueous solution are exchanged for the elements of water by passing the solution through the mixed resin.(Chem.)