Water, which has been purified by distillation(noun)
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Use "distilled water" in a sentence
"These boilers were fed distilled water by a system of condensers and evaporators which used waste engine heat to evaporate sea water, and condense it in compartments along the bottom of the hull."
"For no good reason, I was sweating; there was something not canny about this yellow silken cave with the scarlet-coated young deaths-head asking if I would care for distilled water on the side."