Found 40,706 abbreviations starting with O:

Skip to:OOAOBOC - OEOF - OHOI - OKOL - ONOO - OQOR - OTOU - OWOX - OZ

Font size:
O

Over

Business » Accounting

Rate it:
O

Occult

Academic & Science » Astronomy

Rate it:
O

Oblivion

Academic & Science » Astronomy

Rate it:
O

Organism

Academic & Science » Biology

Rate it:
O

Ovangkol

Academic & Science » Botany

Rate it:
O

Oh

Internet » Chat

Rate it:
O

Oxygen

Academic & Science » Chemistry

Rate it:
O

Odor

Academic & Science » Chemistry

Rate it:
O

Overall impression

Medical » Clinical Medicine

Rate it:
O

New Orleans, Louisiana (mint mark on US coins)

Miscellaneous » Coins

Rate it:
O

Orange

Miscellaneous » Colors

Rate it:
O

Outside

Miscellaneous » Colors

Rate it:
O

Oldest

Community

Rate it:
O

Optimism

Community

Rate it:
O

Orchidist

Community

Rate it:
O

Obesity

Medical » Diseases

Rate it:
O

Oplegger

International » Dutch

Rate it:
O

Output

Academic & Science » Electronics

Rate it:
O

Operating

Academic & Science » Electronics

Rate it:
O

Off

Academic & Science » Electronics

Rate it:
O

form O solenoid (actuator Only, no contacts)

Academic & Science » Electronics

Rate it:
O

Hug

Internet » Emoticons

Rate it:
O

Oprah

Community » Famous & Celebs

Rate it:
O

Office

Governmental » FBI Files

Rate it:
O

UNIX Object file

Computing » File Extensions

Rate it:

Discuss these O abbreviations with the community:

2 Comments
  • Halim Ahmed Itp
    Halim Ahmed Itp
    what is the meaning of Officiall Language OSD ?
    LikeReply 57 years ago
  • Eugene Raymond Rizzo
    Eugene Raymond Rizzo
    O/P Order of Preachers
    LikeReply 57 years ago

Are we missing a good shorthand here?
Don't keep it to yourself! Help us grow our database...

Browse Abbreviations.com

Free, no signup required:

Add to Chrome

Get instant explanation for any acronym or abbreviation that hits you anywhere on the web!

Free, no signup required:

Add to Firefox

Get instant explanation for any acronym or abbreviation that hits you anywhere on the web!

Quiz

The ultimate acronym test

»
NFL
A New Football League
B No Fun League
C No Fan Loyalty
D National Football League