Breadcrumb Home > Dictionary > Index P peroxyacid: Meaning and Definition of Find definitions for: per•ox•y•ac•id Pronunciation: (pu-rok"sē-as'id), [key] — n. Chem. 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. peroxy peroxyborate TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: spelunk Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language