See also: oh, он, өн, , óh, and öh




  1. (US) Ohio, a state of the United States of America.
  2. (organic chemistry) Symbol for a hydroxyl, or alcohol, functional group.
  3. (inorganic chemistry) Symbol for a hydroxide radical, or hydroxyl group.
  4. (US, army, aviation) Prefix code for observation helicopter designations.
  5. (Internet slang) Other half, i.e., husband, wife, partner, etc.
  6. Initialism of office hours..
Read in another language