Simple past tense and past participle of deionize.(verb)
That has been prepared by deionization(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "deionized" in a sentence
"Deionized Water is purified water but as the word deionized suggest the mineral ions are removed."
"Hear the poetry in this description of one machine's operations: "This eight thousanths diameter copper wire, it cuts this underwater, deionized water... you program it, you make a little fixture, you put it up there and you watch that little wire go cut it underneath the water with a beautiful blue flame, a blue arc.""
"Israel has to be deionized and label the scum of the earth, the cancerous cells that ought to be attacked forcefully and removed by any means necessary."