| 释义 |
al·um AHD[ălʹəm] D.J.[ˈæləm]K.K.[ˈæləm]n.（名词）- Any of various double sulfates of a trivalent metal such as aluminum, chromium, or iron and a univalent metal such as potassium or sodium, especially aluminum potassium sulfate, AlK(SO4) 2·12H 2O, widely used in industry as clarifiers, hardeners, and purifiers and medicinally as topical astringents and styptics. 明矾，白矾：一种三价金属双硫酸盐，如铝、铬、铁和单价金属如钾或钠，特别是铝钾硫酸盐AlK(SO4) 2·12H 2O，在工业上广泛用作沉淀剂、硬化剂和净化剂，医学上用作局部收敛剂和止血剂
- Middle English 中古英语
- from Old French 源自 古法语
- from Latin alūmen 源自 拉丁语 alūmen
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