Look up: callback

1. callback
   a user authentication scheme used by some computers running dial-up services Category: News-systems and communications
   Found on http://www.mijnwoordenboek.nl/definition
   
   
2. callback
   noun a request by the manufacturer of a defective product to return the product (as for replacement or repair)
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
3. callback
   1. (programming) A scheme used in event-driven programs where the program registers a subroutine (a 'callback handler') to handle a certain event. The program does not call the handler directly but when the event occurs, the run-time system calls the handler, usually passing it arguments to describ...
   Found on http://foldoc.org/callback
   
   
4. Callback
   [comedy] A callback, in terms of comedy, is a joke which refers to one previously told in the set. The second joke is often presented in a different context than the one which was used in the initial joke. Callbacks are usually used at or near the end of a set, as the aim is to create the bi...
   Found on http://en.wikipedia.org/wiki/Callback_(c
   
   
5. Callback
   [telecommunications] In telecommunications, a callback (also written as call-back) occurs when the originator of a call is immediately called back in a second call as a response. == International calling == A callback, in this sense is a method of making low-cost international calls via a th...
   Found on http://en.wikipedia.org/wiki/Callback_(t
   
   
6. Callback
   [computer programming] In computer programming, a callback is a reference to a piece of executable code, that is passed as an argument to other code. This allows a lower-level software layer to call a subroutine (or function) defined in a higher-level layer. ==Use== Callbacks have a wide var...
   Found on http://en.wikipedia.org/wiki/Callback_(c