Definition of oxyacid in US English:

oxyacid

noun

  • An inorganic acid whose molecules contain oxygen, such as sulfuric or nitric acid.

    • ‘Just as certain elements form more than one oxyanion, they also form more than one oxyacid.’
    • ‘Salts of triazinic compounds with phosphorus oxyacids, and use of said compounds in self-extinguishing polymeric compositions.’

Pronunciation

oxyacid

/ˌäksēˈasəd/