alum
🇺🇸
/ˈæləm/
🇬🇧
/ˈæləm/
noun
R
A chemical compound made of aluminum and another metal, used in various industrial processes like tanning leather and dyeing fabrics.
The tanner used alum to prepare the leather for the new boots.
製革工人使用明鹽來準備新靴子的皮革。
translation
明礬
詞形變化
Plural
alums