烧碱 Traditional 燒鹼 shāo jiǎn 🔊 caustic soda; sodium hydroxide NaOH + Keep this word Meanings shāo jiǎn 燒鹼 caustic soda; sodium hydroxide NaOH Its characters 烧shāoto burn; to set on fireHSK 5碱jiǎnbase; alkali; soda