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Koch

American  
[koch, kawkh] / kɒtʃ, kɔx /

noun

  1. Edward I., 1924–2013, U.S. politician: mayor of New York City 1977–89.

  2. Robert 1843–1910, German bacteriologist and physician: Nobel Prize 1905.


Koch British  
/ kɔx /

noun

  1. Robert (ˈroːbɛrt). 1843–1910, German bacteriologist, who isolated the anthrax bacillus (1876), the tubercle bacillus (1882), and the cholera bacillus (1883): Nobel prize for physiology or medicine 1905

"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

Koch Scientific  
/ kôk /
  1. German bacteriologist who demonstrated that specific diseases are caused by specific microorganisms. He identified the bacilli that cause anthrax, tuberculosis, and cholera, and he showed that fleas and rats are responsible for transmission of the bubonic plague and that the tsetse fly is responsible for transmitting sleeping sickness. Koch won the Nobel Prize for physiology or medicine in 1905.


Example Sentences

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Mamdani touted his work under former Mayor Ed Koch helping build affordable housing, as well as his later work raising the minimum wage.

From The Wall Street Journal Jul. 22, 2026

South African prop Koch forced Gareth Thomas to concede a scrum penalty and gained his reward by burrowing over for a try.

From BBC Jun. 27, 2026

It included the first Black man, Victor Glover, and the first woman, Christina Koch, to fly around the Moon.

From Barron's Jun. 10, 2026

Its crew of four - commander Reid Wiseman, pilot Victor Glover, mission specialist Christina Koch and Canadian Space Agency astronaut Jeremy Hansen - became the first humans to travel beyond low Earth orbit since 1972.

From BBC Jun. 9, 2026

She and Koch collaborated on several screenplays, and she was finally given screen credit for her work in 1941.

From "Spooked!" by Gail Jarrow

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