O with macron (Latin)
| O with macron | |
|---|---|
| Ō ō | |
| Usage | |
| Writing system | Latin script |
| Type | Alphabetic |
| Language of origin | Latin language |
| In Unicode | U+014C, U+014D |
| Other | |
| Writing direction | Left-to-right |
O with macron (majuscule: Ō, minuscule: ō) is an additional letter of the Latin script, formed from the base letter O with the addition of the macron diacritic mark.
It is used in various Polynesian languages, such as Cook Islands Māori, Dorig, Hawaiian, Hiw, Māori, Marshallese, Marquesan, Mwotlap, Samoan, Tahitian, Tongan, and Vurës, as well as Latgalian, Livonian, Samogitian, and Silesian in Central Europe, Nahuatl in Mexico, Ewondo in Cameroon, and Ogba in Nigeria. The letter is also used in the Hepburn romanization of Japanese, the pinyin romanization system of Standard Chinese, and the ISO 9 standard for romanization of Cyrillic characters.