Stability Stability State supreme court The word stability has a number of technical meanings, all related to the common meaning of the word.

In mechanical systems, stability characterizes the result of small perturbations to a system in Mechanical equilibrium.
- A special case of mechanical stability is Plasma stability.
- In Meteorology stability in the air relates to vertical movements of air parcels.
- On a boat it refers to the righting moment, and the resistance of the boat to Capsize.
In System analysis, Control theory, and Signal processing, stability characterizes the reaction of a dynamic system to external influences.
- BIBO (Bounded Input, Bounded Output) stability
- Lyapunov stability
- stability of a polynomial
The concept is also used in "softer" sciences:
- In Chemistry, stablility can refer to a chemical Isotope in a stable form.
- In Ecology, Ecological stability can take on any connotaion in a continuum ranging from returning quickly to a previous state to simply not going extinct.
- In Sociology, stability refers to Social stability.
In computer science and mathematics, the term has additional meanings.
- In Numerical analysis, stability refers to how well an Algorithm performs with regard to Error in the numerical results: see Numerical stability.
- In Probability, stability is an important property of certain probability distributions. (See Stability (probability).)
- In everyday conversation about computers, stability is the tendency or otherwise of a system or program to crash.