Cartesian

From the New Latin Cartesiānus, from Cartesius (“René Descartes”).

• (UK) IPA^(key): /kɑːɹ ˈtiːziən/
• (US) IPA^(key): /kɑɹˈti.ʒən/

Cartesian (not comparable)

1. Of, or pertaining to, Descartes, his mathematical methods, or his philosophy, especially with regard to its emphasis on logical analysis and its mechanistic interpretation of physical nature.
2. (mathematics, cartography) Of, or pertaining to, co-ordinates based on mutually orthogonal axes.

• Descartesean, Descartesian
• Descartean, Descartian

Cartesian (plural Cartesians)

1. One who follows the philosophy of Cartesianism.
2. (rare) The Chartreux cat.

• arsacetin, ascertain, craniates, intracase, sectarian