O (disambiguation)
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Look up o in Wiktionary, the free dictionary.
O is the fifteenth letter of the English alphabet. It can also refer to:
- Oxygen
- Big O Notation
- O (film)
- O (Cirque du Soleil)
- O, the Oprah Magazine
- O (album), an album by Damien Rice
- O (Omarion album), an album by Omarion
- O, a character the novel Histoire d'O
- O, the International Phonetic Alphabet symbol for a close-mid back rounded vowel
- Haplogroup O (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
- Haplogroup O (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
- Opium, "smoking o"
- O is one of the kana in the Japanese writing system
[edit] See also
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