1. (mathematics) the branch of mathematics dealing with dynamical systems which can undergo abrupt irreversible qualitative changes due to a tiny change in parameters

Encyclopedia: Catastrophe theory

• acorn tube
• acorn-shaped
• Acorus
• Acorus calamus
• acousma
• acoustic
• acoustic aphasia
• acoustic buoy
• acoustic delay line
• acoustic device
• acoustic gramophone
• acoustic guitar
• acoustic impedance
• acoustic meatus
• acoustic modem
• acoustic nerve
• acoustic phenomenon
• acoustic power
• acoustic projection
• acoustic radiation pressure
• acoustic reactance
• acoustic resistance
• acoustic spectrum
• acoustic storage
• acoustic wave