O

From TheBestLinks.com

Latin alphabet
	Aa	Bb	Cc	Dd
Ee	Ff	Gg	Hh	Ii	Jj
Kk	Ll	Mm	Nn	Oo	Pp
Qq	Rr	Ss	Tt	Uu	Vv
	Ww	Xx	Yy	Zz

O is the fifteenth letter of the Latin alphabet.

In Greek (Omikron), Etruscan and Latin O stood for the vowel /o/. Although Semitic 'Ajin was used in some alphabets to transcribe [o], the sound value was usually consonantic: [?/] (as the Arabic letter ع called 'Ajn').

Oscar represents the letter O in the NATO phonetic alphabet.

Meanings for O

In baseball, The Baltimore Orioles are sometimes simply referred to as the "Os".
In calendars, O is often the abbreviation for the month October.
In chemistry, O is the symbol for oxygen.
In computer science, O means order, as used in computational complexity theory and mathematics to describe the size of functions using a notation called Big O notation.
In film, O is the name of a 2001 film based on William Shakespeare's Othello starring Mekhi Phifer and Josh Hartnett, set in a high school. The duke is the basketball coach nicknamed "Duke", and the Othello role is a basketball star nicknamed "O". The movie is a portrayal of how adolescent jealousy can get out of hand, leading to deadly consequences.
In financial securities, O is the stock symbol for Realty Income Corporation.
In English, O is a symbol for a hug, as in love notes.
In French, O is a homophone of eau (water)
In literature, O is the subject of the sadomasochistic novel The Story of O
In mathematics, blackboard bold <math>\mathbb{O}<math> represents the octonions
In medicine, O is one of the human blood types.
In publishing O is the name of a major magazine founded and edited by entrepreneur Oprah Winfrey; see O (magazine) .
In theater, "O" is the name of a Cirque du Soleil show in Las Vegas, which is a theatrical acrobatic production set in a water stage.
In wine, O is the name of several ch�teaux in France, e.g. Ch�teau d'O in Normandy [1] (http://www.asiancollage.com/Europe/Normandy/pages/chateau%20d%27O.htm)
O (鄂) is Wade-Giles for the pinyin �, an abbreviation of the Hubei province of the People's Republic of China