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

See Examples For:

Hahn

Bill Hader, Jon Hamm, Kathryn Hahn and Jerry Seinfeld are among those who get in on the action in the seven-part series that was produced by Barack and Michelle Obama.

From The Wall Street Journal ● Jun. 21, 2026

Supervisors Kathryn Barger, Janice Hahn and Holly Mitchell abstained from voting on the motion to extend the protection, while Supervisors Hilda Solis and Horvath supported it.

From Los Angeles Times ● Jun. 3, 2026

“I abstained because I did not see sufficient evidence to justify extending this emergency ordinance, nor did I see evidence to eliminate it entirely,” Hahn said.

From Los Angeles Times ● Jun. 3, 2026

Fellow celebrities congratulated Roberts and former non-league footballer Hahn in the comments on her post, including singer Sophie Ellis-Bextor, TV presenters AJ Odudu and Katie Piper, and actress Michelle Keegan.

From BBC ● May 24, 2026

“I thank God on my bended knees that we did not make the uranium bomb,” said Hahn.

From "Bomb" by Steve Sheinkin