Found 19,840 abbreviations starting with O:

ORNL

Oak Ridge National Lab

Miscellaneous » Unclassified

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ORNL

Oak Ridge National Laboratory's

Medical » Laboratory

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ORNT

Oral Rehydration and Nutrition Therapy

Medical

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ORO

Ontario Reid Omnibus Poll

Community » Media

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ORO

Over Raise Only

Business » Occupation & Positions

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ORO

Oak Ridge Operations, U. S. Department of Energy

Governmental » US Government

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ORO

Original Reusable Object

Computing » General

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ORO

Yoro, Honduras

Regional » Airport Codes

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ORO

Office of Regional Operations

Governmental » FDA

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ORO

Oroya Mining Ltd

Business » ASX Symbols

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ORO

Office of Research Oversight

Governmental » US Government

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ORO

Oil Recovery Operations

Miscellaneous » Unclassified

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ORO

Only Representative Organisation

Miscellaneous » Unclassified

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ORO

Oregon Registry Online

Miscellaneous » Unclassified

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ORO

Oil red O

Miscellaneous » Unclassified

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ORO

Onde Radio Ovest 

Miscellaneous » Unclassified

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ORO

Oak Ridge Operations

Miscellaneous » Unclassified

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ORO

Operations Research Office

Academic & Science » Research

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ORO (ORA)

Office of Regional Operations (ORA)

Governmental » FDA

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OROA

OroAmerica, Inc.

Business » NASDAQ Symbols

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OROP

One Rank One Pension

Regional

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OROS

Organization of Rural Oklahoma Schools

Community » Schools

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OROX

U.S. Department of Energy Oak Ridge Operations

Regional » Railroads

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ORP

Oxidation Reduction Potential

Academic & Science » Chemistry

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ORP

Open Runtime Platform

Computing » Hardware

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