uranium 235

noun

Definition of uranium 235

: a light isotope of uranium of mass number 235 that constitutes less than one percent of natural uranium, that when bombarded with slow neutrons undergoes rapid fission into smaller atoms with the release of neutrons and energy, and that is used in nuclear reactors and atomic bombs

Examples of uranium 235 in a Sentence

Recent Examples on the Web Increasing the proportion of uranium 235 is known as enrichment. BostonGlobe.com, "Most read on BostonGlobe.com," 5 Nov. 2019 Increasing the proportion of uranium 235 is known as enrichment. BostonGlobe.com, "Most read on BostonGlobe.com," 5 Nov. 2019 The centrifuges are used to separate the rare, highly radioactive isotope, uranium 235, from the less radioactive type, uranium 238. BostonGlobe.com, "Most read on BostonGlobe.com," 5 Nov. 2019 Increasing the proportion of uranium 235 is known as enrichment. BostonGlobe.com, "Most read on BostonGlobe.com," 5 Nov. 2019 The centrifuges are used to separate the rare, highly radioactive isotope, uranium 235, from uranium 238. David E. Sanger, New York Times, "Iran Adds Advanced Centrifuges, Further Weakening Nuclear Deal," 4 Nov. 2019 Increasing the proportion of uranium 235 is known as enrichment. BostonGlobe.com, "Most read on BostonGlobe.com," 5 Nov. 2019 Increasing the proportion of uranium 235 is known as enrichment. BostonGlobe.com, "Most read on BostonGlobe.com," 5 Nov. 2019 Increasing the proportion of uranium 235 is known as enrichment. BostonGlobe.com, "Most read on BostonGlobe.com," 5 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uranium 235.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of uranium 235

1940, in the meaning defined above

Keep scrolling for more

Learn More about uranium 235

Time Traveler for uranium 235

Time Traveler

The first known use of uranium 235 was in 1940

See more words from the same year

Statistics for uranium 235

Cite this Entry

“Uranium 235.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uranium%20235. Accessed 23 Jan. 2021.

Keep scrolling for more

More Definitions for uranium 235

uranium 235

noun

Medical Definition of uranium 235

: a light isotope of uranium of mass number 235 that when bombarded with slow neutrons undergoes rapid fission into smaller atoms with the release of neutrons and energy

Comments on uranium 235

What made you want to look up uranium 235? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!