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Jacobi

American  
[juh-koh-bee, yah-koh-bee] / dʒəˈkoʊ bi, jɑˈkoʊ bi /

noun

  1. Abraham, 1830–1919, U.S. pediatrician, born in Germany.

  2. Karl Gustav Jakob 1804–51, German mathematician.

  3. Mary Corinna (Putnam), 1842–1906, U.S. physician (wife of Abraham Jacobi).


Jacobi British  

noun

  1. Sir Derek ( George ). born 1938, British actor

  2. Karl Gustav Jacob (karl ˈɡʊstaf ˈjaːkɔp). 1804–51, German mathematician. Independently of N. H. Abel, he discovered elliptic functions (1829). He also made important contributions to the study of determinants and differential equations

"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:

“Even a child could clear a dinner table,” said Goldberg, who is also chief scientist at Ambi Robotics and Jacobi Robotics.

From The Wall Street Journal Jan. 3, 2026

Zhao adapted the book in partnership with O'Farrell, and the film also stars Emily Watson, Joe Alwyn and Jacobi Jupe as Hamnet.

From BBC Jan. 2, 2026

I spotted Jacobi sitting quietly among his friends, hands clasped in his lap.

From Slate Oct. 30, 2025

Since our rule is that the driver controls the audio, I had queued up “I, Claudius” read by Derek Jacobi on Audible.

From Los Angeles Times Jul. 1, 2025

Jacobi would start saying, “So, like we all walk—Yeah, we all walk out at the same—” and then he’d stop, count something out on his fingers, and then nod, only to himself.

From "A Very Large Expanse of Sea" by Tahereh Mafi

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