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We are the world's largest and most comprehensive directory and search engine for acronyms, abbreviations and initialisms on the Internet. Abbreviations.com holds hundreds of thousands of entries organized by a large variety of categories from computing and the Web to governmental, medicine and business and it is maintained and expanded by a large community of passionate editors.

Academic & Science

Amateur Radio, Architecture, Biology, Chemistry, Degrees, Electronics, Geology, IEEE, Mathematics, Mechanics, Meteorology, Ocean Science, Physics, Universities»

Business & Finance

Accounting, Firms, International Business, Mortgage, NASDAQ Symbols, NYSE Symbols, Occupations & Positions, Professional Organizations, Stock Exchange, Tax»

Community

Conferences, Educational, Famous, Film Censorship, Genealogy, Housing, Law, Media, Museums, Music, Non-Profit Organizations, Religion, Schools, Sports, Unions»

Computing

Assembly, Databases, DOS Commands, Drivers, File Extensions, General, Hardware, Java, Networking, Security, Software, Telecom, Texting, Unix Commands»

Governmental

FBI, FDA, Military, NASA, Police, State & Local, Suppliers, Transportation, UN, US Gov.»

Internet

ASCII, Blogs, Chat, Domain Names, Emoticons, HTTP, MIME, Twitter, Wannas, Websites»

Miscellaneous

Chess, Clothes, Coins, Construction, Days, Farming, Food, Funnies, Gaming, Hobbies, Months, Photography, Plastics, Sci-Fi, Unit Measures, Journal Abbreviations»

Regional

Airport Codes, African, Alaska, Australian, Canadian, Cities, Countries, Currencies, European, Language Codes, Railroads, Tel. Country Codes, Time Zones, US States»

Medical

British Medicine, Dental, Drugs, Hospitals, Human Genome, Laboratory, Medical Physics, Neurology, Nursing, Oncology, Physiology, Prescription, Veterinary»

International

Arabic, Dutch, German, Greek, Guatemalan, French, Hebrew, Indonesian, Italian, Latin, Mexican, Polish, Romanian, Russian, Spanish, Tamil, Thai, Turkish»

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    ARMY
    Armed Reserve Militia Youth
    QNR
    Quasi Neutral Region
    QNR
    Quality Nylon Rope
    QNR
    Quarterly Narrative Report
    QNR
    Quantum Neuro Reset

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    A Universal Reference of Links
    B Uniform Resource Locator
    C Uniform Registration Locator
    D Universal Resource of Links

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