Found 21,728 abbreviations starting with O:

O2O

Observe to Obey

Governmental » Military

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O2T

Oxygen Thief

Miscellaneous » Funnies

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O2U

O2-Utilization

Computing » Telecom

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O3

Ozone

Governmental » Transportation

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O3

Officer grade: Lieutenant or Captain

Governmental » Military

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O35

HOLLIS Municipal Airport, Hollis, Oklahoma

Regional » Airport Codes

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O3O

o3o

Community » Music

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O3O

O3o

Community » Media

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O3O

o3o

Internet » Emoticons

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O4

Officer grade: Lieutenant Commander or Major

Governmental » Military

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O4

Officer grade: Commander or Lieutenant Colonel

Governmental » Military

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O4

Officer grade: Captain or Colonel

Governmental » Military

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O41

Watts- Woodland Airport, Woodland, California USA

Regional » Airport Codes

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O42

Woodlake Airport, Woodlake, California USA

Regional » Airport Codes

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O46

Weed Airport, Weed, California USA

Regional » Airport Codes

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O48

Little River Airport, Little River, California USA

Regional » Airport Codes

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O5

Officer grade: Commander or Lieutenant Colonel

Governmental » Military

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O5

Österreich (Austrian) Resistance Group

Governmental » Military

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O6

Officer grade: Captain or Colonel

Governmental » Military

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O69

Petaluma Municipal Airport, Petaluma, California USA

Regional » Airport Codes

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O7

Officer grade: Commodore, Rear Admiral (Lower Half), or Brigadier General

Governmental » Military

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O7W

Oh Why Oh Why Oh Why Oh Why Oh Why Oh Why Oh Why

Internet » Chat

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O8

Officer grade: Rear Admiral (Upper Half), or Major General

Governmental » Military

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O8-)

Starry-eyed angel

Internet » Emoticons

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O81

Tulelake Municipal Airport, Tulelake, California USA

Regional » Airport Codes

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