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Poincaré

American  
[pwahn-kah-rey, pwan-ka-rey] / pwɑn kɑˈreɪ, pwɛ̃ kaˈreɪ /

noun

  1. Jules Henri 1854–1912, French mathematician.

  2. his cousin Raymond 1860–1934, French statesman: president of France 1913–20.


Poincaré British  
/ pwɛ̃kare /

noun

  1. Jules Henri (ʒyl ɑ̃ri). 1854–1912, French mathematician, physicist, and philosopher. He made important contributions to the theory of functions and to astronomy and electromagnetic theory

  2. his cousin, Raymond (rɛmɔ̃). 1860–1934, French statesman; premier of France (1912–13; 1922–24; 1926–29); president (1913–20)

"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

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:

The concept of gravitational waves dates back to 1893 and 1905, when Oliver Heaviside and Henri Poincaré first proposed related ideas.

From Science Daily Oct. 18, 2025

That group of paintings was made during his time in Hollywood, but they derive from photographs of complex mathematical models by physicist Henri Poincaré that the artist shot in Paris.

From Los Angeles Times Oct. 29, 2024

He was director of the Henri Poincaré Institute and had big plans in the works.

From New York Times Jan. 30, 2020

For me, the quest for a breakthrough often requires getting myself into literal motion; one small step for Poincaré but a whole sequence of steps for me.

From The New Yorker Nov. 7, 2019

"General Joffre then engaged in a short conversation with several journalists, and when they referred to the military medal which M. Poincaré pinned on his chest, he said: '3/8 All this counts for nothing.'"

From Punch or the London Charivari, Vol. 147, December 16, 1914 by Various

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