• WordNet 3.6
    • n oxyacid any acid that contains oxygen
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Webster's Revised Unabridged Dictionary
    • n Oxyacid (Chem) An acid containing oxygen, as chloric acid or sulphuric acid; -- contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-.
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Century Dictionary and Cyclopedia
    • n oxyacid An acid containing oxygen. Also called oxacid.
    • n oxyacid This term was formerly used to distinguish an acid containing oxygen from one in which this element is not present, as sulphuric acid, H2SO4, from hydrochloric; acid, HCl. In modern organic chemistry the same term is often applied to an acid which contains both a carboxyl and a hydroxyl group, as oxyacetic or glycolic acid, CH2.HO.COOH. Substances of this kind are perhaps better called hydroxyacids or alcohol acids.
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Webster's Revised Unabridged Dictionary
Oxy-, + acid,


In literature:

The unsaturated acids, also received much attention, and he discovered the internal anhydrides of oxyacids, termed lactones.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4" by Various