persulfate [per-suhl-feyt] Word Origin noun Chemistry.

  1. a salt of persulfuric acid, as potassium persulfate, K2S2O5 or K2S2O8.

Origin of persulfate First recorded in 1805–15; per- + sulfate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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