from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. Ohio
  • abbr. open house

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • abbr. Ohio, a state of the United States of America.
  • abbr. Symbol for a hydroxyl, or alcohol, functional group.
  • abbr. Symbol for a hydroxide radical, or hydroxyl group.
  • abbr. Prefix code for observation helicopter designations.
  • abbr. Other Half, i.e. Husband, wife, partner etc.


Sorry, no etymologies found.



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