uranium hexafluoride

noun

uranium hexa·​flu·​o·​ride -ˌhek-sə-ˈflȯr-ˌīd How to pronounce uranium hexafluoride (audio)
-ˈflu̇r-
: a volatile compound UF6 of uranium and fluorine that is used in one major process of enriching uranium in uranium 235

Examples of uranium hexafluoride in a Sentence

Recent Examples on the Web
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Commercial production begins Centrus completed production under its demonstration contract ahead of schedule, finishing the final 1,984 pounds of HALEU uranium hexafluoride (UF6) in mid-June. Aamir Khollam, Interesting Engineering, 2 July 2026 The process typically starts with the conversion of uranium oxide into stable gaseous uranium hexafluoride, or UF6, followed by a centrifuge technique that separates the three isotopes by mass. Stephanie Pappas, Scientific American, 23 Apr. 2026 Iran’s nuclear material is in the form of uranium hexafluoride, in containers somewhat similar to scuba tanks. Matthew Bunn, The Conversation, 17 Mar. 2026 This is done by first converting uranium into a gas (uranium hexafluoride, UF6), then feeding it into rapidly spinning centrifuges that force the heavier U-238 toward the outside, leaving U-235 nearer the center. Scott Montgomery, Forbes.com, 23 June 2025

Word History

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of uranium hexafluoride was in 1899

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Cite this Entry

“Uranium hexafluoride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uranium%20hexafluoride. Accessed 5 Jul. 2026.

Kids Definition

uranium hexafluoride

noun
uranium hexa·​flu·​o·​ride -ˌhek-sə-ˈflu̇(-ə)r-ˌīd How to pronounce uranium hexafluoride (audio)
: a compound of uranium and fluorine that is used in one major process for the separation of uranium 235 from ordinary uranium

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