灰锰氧 huīměngyǎng potassium permanganate Origin Definitions Defs Strokes Stroke Words Sentences Sents 灰 huī adjective gray the color between black and white; ash-colored锰 錳 měng manganese (bound form) manganese; a chemical element with symbol Mn, used mainly in making steel and other alloys氧 yǎng noun oxygen oxygen; a colorless, odorless gas necessary for life and combustion