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

• insurmountably
• insurrection
• insurrectional
• insurrectionary
• insurrectionism
• insurrectionist
• insusceptible
• intact
• intactness
• intaglio
• intaglio printing
• intake
• intake manifold
• intake valve
• intangibility
• intangible
• intangible asset
• intangibleness
• intangibly
• intarsia
• integer
• integrability
• integrable
• integral
• integral calculus