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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

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

Mr. Pollan blames Western science, and especially Galileo and Descartes, for dividing the mind from the body, and humans from everything else.

From The Wall Street Journal • Mar. 15, 2026

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

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

Dressed nearly always all in black, he once joked he was the "Descartes of anxiety; I panic, therefore I am."

From BBC • Feb. 28, 2024

Simon Stevin advised Maurice of Nassau on the design of fortifications, and Descartes served in his army.

From "The Invention of Science" by David Wootton