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

Ilia Bouchouev, former president of Koch Global Partners and a leading energy-trading expert, also said that the early-morning trades today were suspicious.

From MarketWatch • May 6, 2026

New York was notably unsafe in his childhood years, when Ed Koch and David Dinkins were mayors.

From The Wall Street Journal • May 1, 2026

“We were encouraged by early signs of improvement in the total beer category in the first quarter,” Chief Executive Jim Koch said.

From The Wall Street Journal • Apr. 30, 2026

The four astronauts -- Americans Reid Wiseman, Victor Glover, Christina Koch and Canadian Jeremy Hansen -- who carried out that mission earlier this month traveled further into space than anyone before.

From Barron's • Apr. 29, 2026

Had Dr. Lange and Gauleiter Koch made the discovery yet?

From "Salt to the Sea" by Ruta Sepetys