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.
制革工人使用明矾来准备新靴子的皮革。
translation
明矾
词形变化
Plural
alums