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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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See Examples For:

Hahn Niman said she has spoken with Kennedy about the park, and he supports agriculture in the seashore.

From Los Angeles Times Aug. 16, 2026

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

Since the season finished Max Hahn left his role as head of technical recruitment and analysis.

From BBC Jun. 9, 2026

His spiritual kin can be found in “Groundswell,” which is not a vegan movie: Among the interviewees advocating regeneration is Nicolette Hahn Niman, author of “Defending Beef” and a member of the Niman Ranch family.

From The Wall Street Journal Jun. 2, 2026

Hahn had discovered fission less than seven years before.

From "Bomb" by Steve Sheinkin

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