The state or quality of being decayed.

(mathematics, mathematical analysis) For a given m-order partial differential equation, the problem of finding a solution function u on ℝⁿ that satisfies the boundary conditions that, for a smooth ...

(theology) Pertaining to aeviternity, a state between eternity, which is unchanging and outside of time, and temporality, which is subject to change and to death or annihilation. Things aeviternal ...

(chemistry) The act of freeing from phosphorus.