n. The act of superseding; the fact of having been superseded.
the GNU version of the Collaborative International Dictionary of English
n. The act of superseding, or the state of being superseded; supersedure.
The Century Dictionary and Cyclopedia
n. The act of superseding, or setting aside; supersedure.
n. The replacement of one thing by another.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. act of replacing one person or thing by another especially one held to be superior
Word Usage
"In other words, this book offers a new theory that is, the supersession theory of computing to go beyond the existing approaches in the literature on computing in an original way."