Welcome to Abbreviations.com!

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»

Discuss everything about the Abbreviations.com website with the community:

0 Comments

    We need you!

    Help us build the largest human-edited acronyms and abbreviations collection on the web!

    Confused about an abbreviation?

    Got lost in the acronym soup? Let our community of experts figure it out for you!

    Hot

    Our most popular acronyms

    »

    Fresh

    Our latest abbreviations

    »
    IEFP
    Institute of Elite Fitness Professionals
    LBDN
    Look Busy Doing Nothing
    LBDN
    Little Black Dress Night
    LBDN
    Look Busy Do Nothing
    LBDN
    Les Belles De Nuit

    Quiz

    The ultimate acronym test

    »
    NSAID
    A Non Steroidal Anti-Injective Drug
    B Non Steroidal Anti-Inflammatory Directive
    C Non Steroidal Anti-Inflammatory Drug
    D Non Serious Anti-Inflammatory Drug

    Browse Abbreviations.com

    #ABCDEFGHIJKLMNOPQRSTUVWXYZ

    Free, no signup required:

    Add to Chrome

    Get instant explanation for any acronym or abbreviation that hits you anywhere on the web!

    Free, no signup required:

    Add to Firefox

    Get instant explanation for any acronym or abbreviation that hits you anywhere on the web!