Hahn

American  

[hahn] / hɑn /

noun

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

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Hahn British  

/ haːn /

noun

1. 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

2. 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

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Hahn Scientific  

/ hän /

1. 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.

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Example Sentences

Mr. Hahn is a translator himself—chiefly of fiction, from Spanish, Portuguese and French—and a former chair of Britain’s Translators Association.

From The Wall Street Journal • Apr. 22, 2026

But as Te Haumihiata Mason, a translator working in Māori, points out to Mr. Hahn, in New Zealand few plants bud in May, so an inelastic approach here risks puzzling the audience.

From The Wall Street Journal • Apr. 22, 2026

In a statement, Los Angeles County Supervisor Janice Hahn said that emergency crews and paramedics were among the first to reach the crash site.

From Los Angeles Times • Apr. 9, 2026

County supervisor named Kenneth Hahn wrote the first of almost 15 years’ worth of letters to the big carmakers.

From Los Angeles Times • Mar. 26, 2026

What staggered Hahn was that the force of the collision seemed to be causing the uranium atoms to split in two.

From "Bomb" by Steve Sheinkin