Noun
The state or quality of being irreversible; irreversibleness.
Source: Webster's dictionaryPhysical irreversibility manifests itself in the fact that, whenever the system is in a state far removed from equilibrium, it is much more likely to move toward equilibrium, than in the opposite direction. William Feller
Another problem of natural and social capital deterioration lies in their partial irreversibility. Source: Internet
Carathéodory linked entropy with a mathematical definition of irreversibility, in terms of trajectories and integrability. Source: Internet
However, far from seeing this as a problem for evolution, he described the "interlocking" of biological features as a consequence to be expected of evolution, which would lead to irreversibility of some evolutionary changes. Source: Internet
Following this line of thought, architectural design issues may become non-architectural once their irreversibility can be overcome (see "Software architecture and agile development" below). Source: Internet
Another major theme is the irreversibility of time. Source: Internet