The phrase "address extension" is correct and usable in written English.
It can be used when referring to an additional part of an address, such as an apartment number or suite number, that provides more specific location information.
Example: "Please include your address extension, such as your apartment number, when filling out the form."
Alternatives: "address suffix" or "address addition".
This might get a boost now that there are plans for the Universal Postal Union, an international treaty organisation more than a century old that co-ordinates global postal activities, to manage a specialised internet address extension,.post.
According to new rules unanimously passed by the Internet Corporation for Assigned Names and Numbers, or Icann, at its meeting here, any company, organization or country will soon be able to apply for a new Web address extension, called a top-level domain.
Virtually all modern operating systems have their roots in the great time-sharing operating systems developed or perfected in the 1970s: IBM's System/360, the Burroughs 5000 mainframe series (and successors), Digital's Virtual Address eXtension (VAX) computers, and UNIX.
As can be seen in the video below (and screencasts do help a lot to explain this announcement), Google Apps Team Edition has been designed to make it easier for you to use Google Apps with people who share the same email address extension (@whatever).
That estimate was based on the cost of registering 300 names in an initial round of 400 new address extensions, at a cost of $100 each, she said.
Address extensions that Icann added more recently, like.biz in 2001 and.mobi in 2005, have been largely ignored and in some cases have been adopted mostly by spammers and other malefactors.
Luxury goods companies, which have long complained of trademark abuse in the digital realm, appear to have been active bidders for the new address extensions, with high-end carmakers like Bugatti, Maserati, Ferrari and Lamborghini all seeking to acquire new top-level domains in their names.
The ads can be shown with their address extensions on Google and Google Maps and as regular text ads without the extensions on partner sites in the Search and Content Networks.
Generalized Nash equilibrium problems address extensions of the well-known standard Nash equilibrium concept, making it possible to model and study more general settings.
It differs from Microsoft's declaration in that it addresses machinima specifically instead of general game-derived content, allows use of game audio if Blizzard can legally license it, requires derivative material to meet the Entertainment Software Rating Board's Teen content rating guideline, defines noncommercial use differently, and does not address extensions of fictional universes.
Last week, Congressional leaders did manage to agree tentatively to keep the government financed through next March, extending a deadline that had been set to expire Oct. 1, but that deal did not address the extension of the tax cuts or spending reductions.
