An alterative.
It is used medicinally as an alterative, and also as a black hair dye.
It is used as an alterative and astringent.
alterative diuretic
[医] 变质性利尿剂
alterative inflammation
[医] 变质性炎
alterative pleading
[法] 引起旁议的抗辩
alterative treatment
[医] 变质疗法
erasable and alterative ROM
[计] 可擦可改写的只读存储器