Definitions

offtrack betting

List of acronyms and initialisms: O

(Main list of acronyms and initialisms)

  • O - (i) Oberst - Observer - Obstacle - Octal - Officer - Official - Oh - Operational - Operator - Oprah (magazine) - Outstanding - (s) Oxygen

OA

OB

  • ob - (p) obiit (Latin, "(s) he died")
  • OB - (p) Obedience - Obligation - Obligatory - Obsolete - Obstetrics - (i) Ocean Beach (California) - Off Break (cricket) - Old Bryanstonian - Order of Battle - Outlet Box (electrical) - (p) Overbought (stock market) - (i) Oversight Board
  • OBE - (i) Officer of the Order of the British Empire
  • OBJ - (p) Objective (military parlance)
  • OBS - (p) Observation/Observer - Obsolete - Obstacle - (i) Off Balance Sheet - Optical Burst Switching (IEEE) - Organic Brain Syndrome - Organization(al) Breakdown Structure
  • OBSS - (i) Off Board Sensor Systems - Ordo Byantinus Sancti Sepulchri (Byzantine Order of the Holy Sepulchre) - Orbiter Boom Sensor System (space shuttle) - Origins Billion Star Survey
  • OBX - (p) Outer Banks (North Carolina)

OC

OD

OE

OF

OG

OH

OI

  • OIC - (i) Officer In Charge
  • OIE - (i) World Organisation for Animal Health (originally the Office international des épizooties, French for "International Epizootic Office")
  • OIF - (i) Operation Iraqi Freedom
  • OIOC - (i) Oriental & India Office Collections (in the British Library)

OJ

OK

  • OK - (s) Oklahoma (postal symbol) - (i) oll korrect (facetious alteration of "all correct", 1839)

OL

OM

ON

OO

OP

OQ

OR

OS

Education and Rehabilitative Services

OT

OV

OW

OX

OY

OZ

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