A state of equilibrium in which a small disturbance will produce a large change.
〔物理〕不稳定平衡
Example sentencesExamples
Instead of exerting the usual restoring force that tries to resist deformation, materials with a negative stiffness draw on the energy stored in their unstable equilibrium state to help the deformation proceed faster.
Solid portions of the curve represent locally stable equilibria whereas dashed portions of the curve represent unstable equilibria.