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Acronym Finder in The Washington Post

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Information Technology (IT)

Information technology, Internet/Web, telecommunications, computing & computer science, hardware, software, etc. (over 86,000 definitions)
Examples: AJAX, CMM, DHCP, FTP, HTTP, PDA, RSS, SDK, TCP, WWW

Military & Government

Local, national and international governments, military, defense, defense industry, weapons systems, etc. (over 154,000 definitions)
Examples: DoD, ICBM, ICE, NHS, MoD, NOAA, NSA, OSHA, NZQA

Business & Finance

Business, finance, accounting, marketing, real estate, shipping, companies, stock markets, products, etc. (over 76,000 definitions)
Examples: BOE, CEO, EBIDTA, FOB, GAAP, IKEA, IPO, MLS, P&L, TVM

Science & Medicine

Popular science, hard science, medicine, nature, engineering, physics, space, astronomy, geology, chemistry, etc. (over 145,000 definitions)
Examples: ACL, DNA, HEPA, LASER, MRI, PTFE, SSRI, TIA, TENS, VOC

Organizations & Schools

Local, national, and international organizations, schools, colleges, universities, education, non-profits, NGOs, etc. (over 195,000 definitions)
Examples: ALA, ANWB, BBB, IEEE, MoMA, NEA, UCLA, UN, WTO

Slang & Pop Culture

Slang, chat, instant messaging, newsgroups, sports, people, pop culture, etc. (over 41,000 definitions)
Examples: AFAIK, BRB, IIRC, IMHO, JFK, LOL, MVP, RBI, ROFL

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