Having undergone desilicification; with silica or silicate compounds removed through chemical treatment.
From 'desilicify' (verb) + '-ed' (past participle suffix). This variant spelling (-ify instead of -icate) follows standard English chemistry terminology.
Desilicified water is used in nuclear power plants because any remaining silica would create mineral buildup on reactor surfaces. It's one of those invisible technological requirements that keeps modern power generation running smoothly.
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