Categories: 3-letter acronym disambiguations The American Heritage Dictionary of the English Language (AHD) is a dictionary of American English published by Boston publisher Houghton-Mifflin, the first edition of which appeared in 1969. ... U.S. Army soldier removes fuse from a Russian-made mine to clear a minefield outside of Fallujah, Iraq. ... U.S. Army soldier removes fuse from a Russian-made mine to clear a minefield outside of Fallujah, Iraq. ... A living will, ˌliving ˈwill [countable] is a document explaining what medical or legal decisions someone should make if you become so ill that you cannot make those decisions yourself. ... A power of attorney or letter of attorney in common law systems or mandate in civil law systems is an authorization to act on someone elses behalf in a legal or business matter. ... National Rail uses the BR double-arrow logo National Rail is a brand name describing the passenger rail service previously provided by British Rail, the now-defunct UK state-owned rail operator. ... VHD is a videodisc format which was marketed predominantly in Japan by JVC. VHD stands for Video High Density, and there was also an audio-only variant called, not surprisingly, AHD. // Technology VHD discs are 25cm in diameter, though the user never sees them as they are stored in caddies... The TLA (three-letter acronym or three-letter abbreviation) is the most popular type of abbreviation in technical terminology, and is also very common in general language. ...