a poisonous salt that forms dark purple crystals and is purple-red when dissolved in water; used as an oxidizing and bleaching agent and as a disinfectant and antiseptic.
英
美
- 一种有毒盐,形成深紫色晶体,溶于水中呈紫红色,用作氧化漂白剂、消毒剂和杀菌剂。