permanganate

(also potassium permanganate, permanganate of potash) n [U] dark purple salt of an acid containing manganese, used as a disinfectant and antiseptic when dissolved in water 高锰酸钾.

perisher, perishing, peristyle, peritonitis, periwinkle, perjure, perjurer, perjury, perk, perkily, perkiness, perky, perm, permafrost, permanence, permanency, permanent, permanent wave, permanent way, permanently, permeability, permeable, permeate, permeation, permissible, permissibly, permission, permissive, permissively, permissiveness, permit, permutation, permute, pernicious, pernicious anaemia, perniciously, perniciousness, pernickety, peroration, peroxide,