What does oi stand for?

Oil-Immersed (AD)

Ingersoll Public Library, Ontario - Library symbol - National Library of Canada (NLC)

Object Interface (SAUS)

Obturator Internus - Muscle (MELL)

Occipito Iliacus (SAUS)

Occult Injury (MELL)

Ockenden International - England - United Kingdom (EAIO)

Odyssey Institute - Later, OIC (EA)

Office Information (SAUS)

Office Instruction (AFM)

Office of Information (AFM)

Office of Investigations - Environmental Protection Agency (GFGA)

Ohashi Institute (EA)

Oil-Immersed

Oil Immersion (SAUS)

Oil-Insulated

Oil Insulation (SAUS)

Okinawa - NCIC country-territory code (NCIC)

Old Icelandic - Language (BARN)

Old Iranian - Linguistics (IEL)

Olimpiada Informatyczna

Omega Inertial (SAUS)

ONE, Inc. (EA)

On Instruments - Aviation

Opener Inhibitor

Opening of Intestine

Open Issue (SAUS)

Operating Income - Accounting

Operating Instructions

Operational Instrumentation (NASA)

Operational Intelligence

Operational Issue - Military

Operation Identity (EA)

Operation Interface (SAUS)

Operations Instruction (SAUS)

Operations Intelligence (SAUS)

Operations Interface (MCD)

Operator Indisposed (CHAT)

Operator Input

Operator Interface (ACII)

Opportunistic Illness (MELL)

Opportunistic Infection - Medicine

Opportunity International-USA - Association (EA)

Opsconic Index - Laboratory science (DAVI)

Opsonic Index - Medicine

Optical Isolator - Nuclear energy (NRCH)

Optimist International (EA)

Optimum Interpolation - Marine science

Opto Isolator (AAEL)

Orbiter Instrumentation - NASA (NASA)

Orbit - or Orbital Insertion

Ordinary Interest - Banking

Ordinateur Individuel - Personal computer

Organizational/Intermediate (MCD)

Organization Integration - Military

Orgasmic Impairment - Medicine

Oriental Institute (AD)

Orientation Inventory - Psychology

Orthopedically Impaired

Osteogenesis Imperfecta - Medicine

Ote Iwapo - All That Is Must Be Considered - of OI Committee International, a third-world lobby opposing systematic birth control - Swahili

Otitis Interna - Medicine (MELL)

Ours, Inc. (EA)

Output Impedance

Ovarian Insufficiency - Medicine (MELL)

Overdrive Inhibit - Automotive engineering

Owens-Illinois, Inc. - NYSE symbol (SPSG)

Oxide Isolated (TIMI)

Oxygen Income - or Intake - Medicine

Oxygen Index - Medicine (DAVI)

Oxygen Intact - Medicine (DAVI)

Oxygen Intake (SAUS)