Dictionary.com
Thesaurus.com

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In discussing the matter, Hahn also called for the county to look into establishing an emergency stockpile of air purifiers and other critical supplies to better prepare for future disasters.

From Los Angeles Times Jun. 24, 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

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

Photos from her Instagram account show the star holding her baby, as well as her partner Mitch Hahn carrying the baby in a car seat.

From BBC May 24, 2026

Hahn had discovered fission less than seven years before.

From "Bomb" by Steve Sheinkin

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training