from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An oxygen-containing acid.

from The Century Dictionary.

  • noun 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.
  • noun An acid containing oxygen. Also called oxacid.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (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-.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry An acid containing oxygen, as opposed to a hydracid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any acid that contains oxygen


from Wiktionary, Creative Commons Attribution/Share-Alike License

oxy- +‎ acid


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