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Hahn

American

[hahn] / hɑn /

noun

Otto, 1879–1968, German chemist: Nobel Prize 1944.

Hahn British

/ haːn /

noun

Kurt. 1886–1974, German educationalist. During the Nazi era he escaped to Britain, where he founded Gordonstoun School (1935) and helped to establish the Duke of Edinburgh's award scheme
Otto (ˈɔto). 1879–1968, German physicist: discovered the radioactive element protactinium with Meitner (1917); with Strassmann, demonstrated the nuclear fission of uranium, when it is bombarded with neutrons: Nobel prize for chemistry 1944

"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

Hahn Scientific

/ hän /

German chemist who investigated radioactive elements and helped discover several new ones. His research on the irradiation on uranium and thorium with neutrons led to the 1938 discovery of nuclear fission.

Example Sentences

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Within a single page Mr. Hahn can hop from Esperanto to Turkish to Hindi.

From The Wall Street Journal • Apr. 22, 2026

“In good translation,” Mr. Hahn claims, “Shakespeare does not merely survive, he thrives.”

From The Wall Street Journal • Apr. 22, 2026

To demonstrate this, Mr. Hahn acquires copies of “My First Hundred Words” in eight languages.

From The Wall Street Journal • Apr. 22, 2026

Los Angeles County Supervisor Janice Hahn on Tuesday wrote a letter to the Federal Aviation Administration urging the agency to investigate the incident.

From Los Angeles Times • Apr. 14, 2026

“I don’t believe that,” said Hahn, “but I am thankful we didn’t succeed.”

From "Bomb" by Steve Sheinkin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023