percarbonic acid

noun

per·​carbonic acid

¦pər,

¦per+…-

: any of three peroxy acids derived from carbonic acid and known only in the form of their salts and esters

especially : the peroxy-di-carbonic acid H₂C₂O₆

called also peroxycarbonic acid

—not used systematically

Word History

Etymology

per- + carbonic

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