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:

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

»
EMC
Energy-Matter Currency
GSMA
Groupe Speciale Mobile Association
2012-nCoV
2012 Novel Coronavirus
MERSr-CoV
Middle East Respiratory Syndrome-Related Coronavirus
GRATULA
Gratulation (Congratulations in German)

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!