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Descartes

American  
[day-kahrt, day-kart] / deɪˈkɑrt, deɪˈkart /

noun

  1. René 1596–1650, French philosopher and mathematician.


Descartes British  
/ ˈdeɪˌkɑːt, dekart /

noun

  1. René (rəne). 1596–1650, French philosopher and mathematician. He provided a mechanistic basis for the philosophical theory of dualism and is regarded as the founder of modern philosophy. He also founded analytical geometry and contributed greatly to the science of optics. His works include Discours de la méthode (1637), Meditationes de Prima Philosophia (1641), and Principia Philosophiae (1644)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Descartes Scientific  
/ dā-kärt′ /
  1. French mathematician and philosopher who discovered that the position of a point can be determined by coordinates, a discovery that laid the foundation for analytic geometry.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Descartes Systems Group acquired warehouse-management software company Extensiv for $120 million.

From The Wall Street Journal ● Sep. 2, 2026

Maresca has been reading French philosopher Rene Descartes and, fittingly, the book Football and Chess by Adam Wells, while on his family holidays.

From BBC ● Jun. 29, 2026

Let’s give the last word, plus one of mine, to the famous phrase of French philosopher and scientist Rene Descartes: “Cogito ergo sum ridens” — “I think, therefore I am laughing.”

From Los Angeles Times ● Mar. 1, 2025

Aristotle believed that animals and humans share similar emotions while Descartes argued that animals were more like machines, lacking the capacity for emotions or consciousness.

From Science Daily ● Nov. 14, 2024

More to the point, a modern list of laws would have deeply puzzled Descartes.

From "The Invention of Science" by David Wootton

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