Definition: A numbering of the vertices of a directed acyclic graph such that every edge from a vertex numbered i to a vertex numbered j satisfies i<j.See also topological sort. Note: From Algorithms and Theory of Computation Handbook, page 6-21, Copyright © 1999 by CRC Press LLC. Appearing in the Dictionary of Computer Science, Engineering and Technology, Copyright © 2000 CRC Press LLC. If you have suggestions, corrections, or comments, please get in touch with Paul Black. Entry modified 19 April 2004. HTML page formatted Mon Feb 2 13:10:40 2015. Cite this as:Algorithms and Theory of Computation Handbook, CRC Press LLC, 1999, "topological order", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 19 April 2004. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/topologicalOrder.html