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Jacobi

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

“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

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

From Slate • Oct. 30, 2025

Josh Gray, who’s been with the team three seasons, joked with fellow veteran Jacobi Wright: “Can you believe we’re 18-3?”

From Seattle Times • Feb. 2, 2024

Sheridan leans heavily on comments from the wave of U.K. actors who arrived right after Harris and O’Toole — including Anthony Hopkins, Brian Cox, Derek Jacobi and Brian Blessed.

From Los Angeles Times • May 9, 2023

“Just try to be happy,” Jacobi finally said to me.

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