permanganic

Any of the salts of permanganic acid,all of which are strong oxidizing agents.

某种元素同氧气化合就叫做氧化。

a dark purple salt of permanganic acid; in water solution it is used as a disinfectant and antiseptic.

高锰的深紫色盐，其水溶液用作消毒和杀菌。