abbreviation of ounce (1), 1540s, from It. oz. (15c.), from onza.
mythical land in L. Frank Baum's "The Wonderful Wizard of Oz" (1900) and sequels; according to an anecdote written by Baum in 1903, inspired by a three-drawer desktop cabinet letter file, the last drawer labeled O-Z. As Australian slang for "Australia," attested by 1983.
An object-orientedconcurrentconstraint language from the University of Saarbrucken. Oz is based on constraint communication, a new form of asynchronous communication using logic variables. Partial information about the values of variables is imposed concurrently and incrementally. Supports higher order programming and object-orientation including multiple inheritance. (ftp:duck.dfki.uni-sb.de/pub/papers). ["Object-Oriented Concurrent Constraint Programming in Oz", G. Smolka et al].
An old Australian top-level domain and network which got incorporated into the current one. The former Australian domains .oz, .edu and .com are now .oz.au, .edu.au and .com.au. (1994-10-04)