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Descartes

American  
[dey-kahrt, dey-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

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“We believe Descartes remains well positioned to continue delivering innovative solutions powered by AI,” Becker says.

From The Wall Street Journal Jun. 5, 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

In 1641, French philosopher René Descartes, writing his famous “Meditations on First Philosophy,” observed that a mind is fundamentally different from the body which contains it.

From Salon Nov. 10, 2024

When the seventeenth-century French philosopher René Descartes was asked about infant consciousness by his critics, he eventually suggested that infants might have thoughts, albeit ones that are simpler than those of adults.

From Science Daily Mar. 22, 2024

At the age of 20, Descartes now took stock of his life and decided that he was not interested in a career in the professions.

From "The Scientists" by John Gribbin

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