Meaning of peroxyacid

per•ox•y•ac•id

Pronunciation: (pu-rok"sē-as'id), [key]
— n. Chem.
  1. an acid derived from hydrogen peroxide and containing the –O–O– group, as peroxysulfuric acid, HSO.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.