Found 33,404 abbreviations starting with R:

RIRO

Right-In/Right-Out

Governmental » Transportation

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RIRO

Reaching IN Reaching OUT

Miscellaneous » Unclassified

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RIRO

Respiration Induced Resonance Offset

Miscellaneous » Unclassified

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RIRO

Rubbish In Rubbish Out

Miscellaneous » Unclassified

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RIRO

Repairable Item Replacement Option

Miscellaneous » Unclassified

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RIRO

Right in right out

Miscellaneous » Unclassified

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RIRS

Regional Internet Registries

Internet

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RIRS

Rhode Island Rose Society

Academic & Science » Societies

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RIRS

Rhode Island Radiology Society

Academic & Science » Societies

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RIRS

Railroad Inspection Reporting System

Governmental » Transportation

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RIRS

Regulatory Information Retrieval System

Miscellaneous » Unclassified

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RIRX

Southeastern Industrial Enterprises

Regional » Railroads

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RIS

Rishiri, Japan

Regional » Airport Codes

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RIS

Richfield International LTD.

Business » ASX Symbols

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RIS

Regulation Impact Statement

Regional » Australian

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RIS

Rotational Isomeric State

Academic & Science » Chemistry

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RIS

Rainbow International School

Community

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RIS

Remote Installation Server

Computing » Drivers

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RIS

Regulatory Impact Statement

Governmental » Environmental

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RIS

Regulatory Information Specialist

Governmental » FDA

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RIS

Retroviral Immunology Section

Governmental » FDA

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RIS

Radiology Information Systems

Business » Companies & Firms

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RIS

Reliable Internet Systems

Business » Companies & Firms

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RIS

Reprographic Imaging Services

Business » Companies & Firms

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RIS

Regional Innovation And Strategy

Business » General

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