Acronyms & Abbreviations

General Acronym/Abbreviation Database
Search by acronym (all or part) or search by word to see acronyms that contain that word.

Architecture & Construction

Construction Terms Glossary
Dictionary of construction terminology with informative narrative definitions.

Asbestos

The Ultimate Asbestos Site
The New York law firm of Early, Ludwick, Sweeney & Strauss has put together the best asbestos reference on the web.

Automobiles

Kelley Blue Book Online
Great for finding spellings of makes and models of cars, as well as seeing what your current clunker is worth and your dream car is going to set you back.

Dictionary of Automotive Terms
Bumper-to-bumper listing of over 2,000 car parts. Also includes makes, models and designers.

Aviation & Air Traffic Control

FAA Air Traffic Controller Acronym Glossary
Listing of tower-speak terms and acronyms.

NTSB ... Aviation Research Resources
Search by date, location, type of aircraft and tail number. If the case has anything to do with an air crash, you'll find it here.