OO or oo may refer to:
Science and technology
*
ʻŌʻÅ, an extinct bird of the genus ''Moho''
*
Object-oriented programming
Object-oriented programming (OOP) is a programming paradigm based on the concept of "objects", which can contain data and code. The data is in the form of fields (often known as attributes or ''properties''), and the code is in the form of pr ...
, a computer programming paradigm
*
O.O (also O.o or o.O), an emoticon to represent two eyes and a nose or mouth
Transportation
*
SkyWest Airlines
SkyWest Airlines is an American regional airline headquartered in St. George, Utah, United States. SkyWest is paid to staff, operate and maintain aircraft used on flights that are scheduled, marketed and sold by a partner mainline airline. The ...
(IATA code: OO)
* Belgium (
aircraft registration prefix: OO)
*
Old Oak Common TMD
Old Oak Common TMD was a traction maintenance depot located west of Paddington railway station, London Paddington, in Old Oak Common. The depot was the main facility for the storage and servicing of locomotives and multiple-units from Paddingto ...
, a carriage shed (Network Rail depot code: OO)
Places
*
Oô
Oô (; oc, Òu) is a commune in the Haute-Garonne department in the Occitanie region in southwestern France. It borders Spain
, image_flag = Bandera de España.svg
, image_coat = Escudo de España (mazonado).svg
, nat ...
, a commune in France
*
Oo, Indonesia
Art and entertainment
*
''OO'' (EP), album by South Korean singer Zion.T
* OO, the production code for the 1967 ''Doctor Who'' serial ''
The Ice Warriors
''The Ice Warriors'' is the partly missing third serial of the fifth season of the British science fiction television series ''Doctor Who'', which was first broadcast in six weekly parts from 11 November to 16 December 1967.
In this serial, the ...
''
*
"O.O" (song), a song by South Korean girl group
NMIXX
Nmixx (; stylized in all caps; formerly known as JYPn) is a South Korean girl group formed by SQU4D, a sub-label of JYP Entertainment. The group is composed of six members: Lily, Haewon, Sullyoon, Bae, Jiwoo, and Kyujin. The group debuted on Fe ...
Other uses
*
Oo (digraph)
This is a list of digraphs used in various Latin alphabets. Capitalisation involves only the first letter (''ch'' becomes ''Ch'') unless otherwise stated (''ij'' becomes ''IJ'').
Letters with diacritics are arranged in alphabetic order accordin ...
, a digraph in orthography
* ‘O‘o stick, a traditional Hawaiian
digging bar
A digging bar is a long, straight metal bar used for various purposes, including as a post hole digger, to break up or loosen hard or compacted materials such as soil, rock, concrete and ice or as a lever to move objects. Known by other names dep ...
*
Original Oratory
{{Multiple issues, {{No footnotes, date=November 2017
{{Notability, date=May 2020
Original Oratory (often shortened to "OO") is a competitive event in the National Speech and Debate Association, Stoa USA, National Catholic Forensic League, and o ...
, a competitive event in high school forensic competitions
*
Oakley, Inc.
Oakley, Inc., based in Lake Forest, California, is an American company operating as an independent subsidiary of Luxottica . The company designs, develops and manufactures sports performance equipment and lifestyle pieces including sunglasses, ...
(NYSE stock ticker symbol: OO), subsidiary of Italian company Luxottica
*
OO gauge
OO gauge or OO scale (also, 00 gauge and 00 scale) is the most popular standard-gauge model railway standard in the United Kingdom, outside of which it is virtually unknown. OO gauge is one of several 4 mm-scale standards (4 mm to 1 foot, ...
, a 1:76.2 modelling scale in model railroading
*
Official Observer
An official is someone who holds an office (function or mandate, regardless whether it carries an actual working space with it) in an organization or government and participates in the exercise of authority, (either their own or that of their su ...
, an appointed amateur radio operator
*
Orange Order
The Loyal Orange Institution, commonly known as the Orange Order, is an international Protestant fraternal order based in Northern Ireland and primarily associated with Ulster Protestants, particularly those of Ulster Scots heritage. It also ...
, a protestant fraternal order based in Northern Ireland
See also
*
Double-O
Michael Aguilar, better known by his stage name Double-O (or Double O), is an American producer, DJ and one half of the acclaimed hip-hop group Kidz in the Hall.
Life and career Early life
Born in Brooklyn, , New York, United States, Double-O w ...
, producer and half of hip-hop duo o in the Hallo
*
Infinity symbol
The infinity symbol (\infty) is a mathematical symbol representing the concept of infinity. This symbol is also called a lemniscate, after the lemniscate curves of a similar shape studied in algebraic geometry, or "lazy eight", in the terminol ...
(∞)
*
00 (disambiguation)
00, a double zero, may refer to:
* '' '00'', album by the alternative rock band Judybats, released in 2000
*The year 1900
* The year 2000
*The year 2100
* 00 Agent, an agent with a license to kill in the ''James Bond'' media
* 00 gauge, a stand ...
*
O0 (disambiguation) O0 may refer to:
* N47D20-O0, model of the BMW 5 Series
* N53B30-O0, model of the BMW N53 with improved maximum power to 268ã…¡
See also
* kaomoji
* OO (disambiguation)
* 00 (disambiguation)
* 0O (disambiguation)
* Ozero
Ozero (russian: О& ...
*
OOO (disambiguation)
OOO or Ooo may refer to:
Frequently used abbreviations
* OoO, an abbreviation for Out of Office, a phrase often used in professional contexts to indicate that someone is unavailable for work (usually because they are on vacation)
* ООО, a ...
*
á…‡, an obsolete unit of the Hangul alphabet
*
0-0 (disambiguation)
0-0 or O-O may refer to:
* Emoticon for a person who wears glasses
* An informal instruction to watch the conductor of an orchestra, seen in orchestral parts
* Kingside castling in chess notation
*Nothing from Nothing (disambiguation), songs
*''Ob ...
* âš,
marriage
Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between ...
symbol
{{disambiguation