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.

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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

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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.

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Example Sentences

See Examples For:

Koch

Koch, 47, was part of the four-member crew of the Artemis II mission which in April flew around the Moon, the first lunar flyby in more than 50 years.

From Barron's ● Jun. 17, 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

“Everybody is bullish, but nobody is long,” said Ilia Bouchouev, who once ran derivatives trading for Koch Global Partners and is senior research fellow with the Oxford Institute for Energy Studies.

From The Wall Street Journal ● Jun. 7, 2026

New York is “where the future comes to rehearse,” then-Mayor Ed Koch once famously declared.

From The Wall Street Journal ● May 12, 2026

If the blond soldier had told Koch that I was on the Gustloff, would someone be waiting for me in Kiel?

From "Salt to the Sea" by Ruta Sepetys