氢氧化钠 Save Sign in to save words Traditional (Taiwan): 氫氧化鈉 qīngyǎnghuànà ㄑㄧㄥ ㄧㄤˇ ㄏㄨㄚˋ ㄋㄚˋ sodium hydroxide NaOH caustic soda Character by character 氢(qīng)hydrogen 氧(yǎng)oxygen 化(huà)make into 钠(nà)sodium A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0