Cartesian means of or relating to the French philosopher and mathematician René Descartes. See:

• René Descartes, after whom the term is named
• Cartesian dualism
• Cartesian product, a direct product of two sets
• Cartesian coordinate system, modern rectangular coordinate system
• the Cartesian diver experiment
• Cartesian Meditations , a work by Edmund Husserl
• Cartesian Linguistics , a work by Noam Chomsky

Related articles: Cultural movement, French materialism, Dualistic interactionism