氢氧化镁 qīngyǎnghuàměi magnesium hydroxide Definitions Defs Origin Strokes Stroke Words Sentences Sents 氢氧化 氫氧化 qīngyǎnghuà hydroxide (bound form) hydroxide; the chemical suffix used to indicate a hydroxide of a specific element镁 鎂 měi noun magnesium the chemical element with the symbol Mg; a lightweight, silvery-white metal used in fireworks, flares, and aircraft alloys