#peroxide  an inorganic compound containing the divalent ion -O-O-
  supertype:  oxide  any compound of oxygen with another element or a radical
  subtype:  benzoyl_peroxide__benzoylperoxide  a white crystalline peroxide used in bleaching (flour or oils or fats) and as a catalyst for free radical reactions

No statement uses or specializes peroxide; click here to add one.