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4
What does
O
stand for?
What does
O
mean? We have
214
definitions. Read most used
O
meanings below.
Category:
All acronyms (214)
Airports & Locations (1)
Business & Finance (6)
Common (15)
Government & Military (22)
Medicine & Science (22)
Internet Slang, Chat Texting & Subculture (20)
Organizations, Education Schools etc. (7)
Technology, IT etc (6)
O :-)
— An angel
O AND M
— Operations And Maintenance
O AND O
— Owned and Operated
O AND E
— Operations And Equipment
O AND A
— Orbit And Altitude
I & O
— intake and output
O TO O
— Out to Out
O'ER
— Over (As in, "O'er yonder lay the green fields of home.")
O SIGN
— Patient unconscious with mouth open
I/ O
— Input/output
O AND D MARKET (ORIGINATION AND DESTINATION).
— A city from which a great many passengers both begin and end their travel. Boston is an example of an O and D market.
O’ DARK THIRTY
— Far too early in the morning.
O CLUB
— Officers Club
O P N
— Ora pro nobis.
O RLY
— oh really
O & M
— Orientation and Mobility Services
B & O
— Belladonna And Opium
O V
— Oversewing Plus Vagotomy
F & O
— FUTURE AND OPTION
O PC
— Realty Income Corporation Preferred C
O A
— Ovariectomized and Adrenalectomized
O PB
— Realty Income Corporation Preferred B
G O
— gin and orange [juice]
U OF O
— University of Oregon
RA O
— Remedial Action Operation
I/O, I–O
— input–output
O SYMPTOMS
— Zero symptoms
O E
— Open and Empty
O_2
— both eyes, sometimes written as o2
O RLY?
— Oh, Really?
PAC O
— Pacific Ocean
O'H
— O'Higgins
O
— Orgasm
O
— [ō—letter o with overbar]
C OF O
— Certificate of Occupancy
FIVE O
— Police
O
— orc
O
— Organization
O
— Hug
O
— Oxygen
Ø
— Diameter
SIX O'CLOCK KNOCK.
— Slang. On a cruise ship, the firing of a crew member, which typically takes place with a wake up call at six a.m. after which the crew member is escorted immediately off the ship.
O
— Over
O
— Operate
O
— Over to You
O
— Blood Type In The ABO Blood Group
O_O
— Raised Eyebrow
= O
— Surprised
O
— objective
O
— Output
O
— Observation
O
— Oh
BIG O
— Bureau of International Government and Order
O
— Female
O
— hugs
ºOº
— Mickey Mouse
O
— Opponent
O
— Official
O
— Morally Offensive
O_O
— Drunk
O
— Realty Income Corporation
O
— yarn over
O
— object code
O
— Occlusal
O_O
— attentive, staring, plain existing
O
— Measurement of Cloud Cover
O
— Operational
O
— pyrrolysine
O
— Nothing
O
— Operator
O
— Ohm
O_O
— Confused
O
— Degrees
O
— Optical
O
— Fraction of carbon oxidized
O
— Orchestra
C OF O
— Certificate of Origin
DECK O
— Deck Officer
O
— Offensive
O
— Octal
O
— Ortho
O
— Oxide
O
— Often
O
— Order of Magnitude
O
— Oblique
O
— Other
O
— Waving
O
— Orange
CH OF O
— Cameron Highlanders of Ottawa
USNR O
— US Organized Naval Reserve
O
— Oscar
O
— Ohne Hauch
O
— New Orleans, Louisiana
O
— Oscar Robertson
O
— Othello
O
— Object file ( Unix - Atari - GCC)
O
— Pint
O
— Outstanding
O
— Ouest
O
— Observer
O
— Open
O
— Office
O
— Organism
O
— Order
O
— Immediate
O
— Odin
O
— Outdoor
TRG O
— Training Officer
O
— Omnivorous
O
— Omit
O
— Obstacle
O
— Oprah
O
— October
O
— Operations Branch of the General Staff
O
— Otis
O
— Origin Server
O
— Owe
O
— Optional
O
— Outliers
O
— Old
O
— Out
O
— Oberst
PT. II O
— Part II Orders
O
— Omikron
O
— Occupy
O
— Orthogonal
O
— Defensive Team
DML O
— Demolition Officer
O
— Ost/Osten
O
— Oblivion
O
— Ohio
O
— Ounce (of drugs)
O
— Offset
O
— Object
O
— Optional Levels
O
— OBVious
O
— Optimization
O
— Engineering Order
O
— Orifice
O
— Realty Income Corp (New York Stock Exchange [NYSE])
O
— Outside
O
— Toy train railroad gauge
O
— New Orleans, Louisiana (mint mark on US coins)
O
— Ola
O
— Ordinary
O
— Orotate
O
— Oriental
O
— Octopus
O
— Oculus
O
— Organisation
O
— Ovulation
O
— Occlusion
O
— Oakland
O
— Owner
O
— Odds
O
— Oatmeal
O
— Opposite
O
— Outdoors
O
— Osteocyte
O
— Ovary Transplant
O
— Outer
O
— Omaha
O
— Originality
O
— Overcooked
O
— Osten
O
— Occlude
O
— Overlay
O
— Organized Naval Reserve
O
— Outreach
O
— Oliver
O
— Others
O
— Observed
O
— Omicron
O
— Oddity
O
— Officer of Operations
O
— Osteoarthritis
O
— Outpouring
O
— Osten, Orientalis, Orien, Oriente, Orientis
O
— Overclocking
O
— Ownership
O
— Outcome
O
— Original
O
— Ost
O
— Overt
O
— Octa-
O
— Octahedron
O
— Ossie
O
— Only
O
— Orchard
O
— Offer
O
— Octagon
O
— Overhaul
O
— none, without
O
— Oxigenator
O
— Opportunities
O
— Oscillograph
O
— Opalescent
O
— Onset
O
— Ottawa
O
— Ocean
O
— Occipito
O
— Ovangkol
O
— Owen
O
— Occult
O
— Overdistance
O
— Overs
O
— Objectives
O
— Oasis
O
— Ongoing
O
— Octarius
O
— Contour Pattern
O
— ostwarts
O
— Ossify
O
— Orthohedral
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