A master is also the recipient of a graduate degree in a specified discipline from a college or university. The degree is intermediate between a bachelor's degree and a Ph.D and include the specific degrees Master of Arts, Master of Science, and Master of Engineering.
A series of train locomotives is often used in tandem to pull heavy loads, and to ascend and descend steep mountains. The first engine in the front is the master, and the other engines (often completely without a cab with controls for the engineer) are the slaves.
Duplication is often done with several cassette tape or compact disc recorders linked together. Operating the controls on the master triggers the same commands on the slaves, so that recording is done in parallel
In international chess, players are ranked by the FIDE using a comparison of their win-draw-loss record against other ranked players. Master and grandmaster are two such ranks.
