氢氧化钠 qīngyǎnghuànà sodium hydroxide Origin Definitions Defs 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钠 鈉 nà noun sodium sodium; natrium (chemical element Na)