Jacobi
Americannoun
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Abraham, 1830–1919, U.S. pediatrician, born in Germany.
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Karl Gustav Jakob 1804–51, German mathematician.
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Mary Corinna (Putnam), 1842–1906, U.S. physician (wife of Abraham Jacobi).
noun
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Sir Derek ( George ). born 1938, British actor
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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
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.
Chloé Zhao’s ye olde dysfunctional marriage weepie deserved a supporting actor nomination for 12-year-old Jacobi Jupe, who is so heartbreaking as William Shakespeare’s brave son that he casts a spell over the movie.
From Los Angeles Times • Jan. 22, 2026
“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
Jacobi had volunteered to help bring Kirk to campus.
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
Jacobi waved an unenthusiastic hand without even looking in my direction.
From "A Very Large Expanse of Sea" by Tahereh Mafi
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.