permanganic acid

1. 1.

   an unstable purple acid (HMnO4) known only in solution or of permanganate salts

   Broaderacid

Questions about permanganic acid

What does permanganic acid mean?

permanganic acid means "an unstable purple acid (HMnO4) known only in solution or of permanganate salts".

Is permanganic acid a common word?

permanganic acid is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.