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Hahn

American  
[hahn] / hɑn /

noun

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


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

"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 /
  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.


Example Sentences

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In 2005, Mayor Jim Hahn became the first L.A. mayor to lose a reelection bid in more than three decades, falling to Antonio Villaraigosa.

From Los Angeles Times ● Oct. 14, 2026

Removing all the deer would actually increase fire risk by allowing brush to grow uncontrolled, according to Hahn.

From Los Angeles Times ● Sep. 2, 2026

County Supervisor Janice Hahn said in 2024 that there were so many collisions, the office was forced to close.

From Los Angeles Times ● Sep. 2, 2026

The day before, Hahn sent a letter asking Gov. Gavin Newsom to suspend or revoke the permit.

From Los Angeles Times ● Sep. 2, 2026

Hahn began his experiment with a piece of silver-colored metal called uranium.

From "Bomb" by Steve Sheinkin

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