氢氧化钠

Traditional form:

氫氧化鈉

Pinyin (reading):

qīngyǎnghuànà

Definitions:

• caustic soda
• sodium hydroxide NaOH

Characters:

• 氢 - ammonia
• 氧 - oxygen
• 化 - to change, to convert, to reform; -ize
• 钠 - sodium, natrium; to sharpen wood

Traditional characters:

• 氫 - ammonia
• 氧 - oxygen
• 化 - to change, to convert, to reform; -ize
• 鈉 - sodium, natrium; to sharpen wood