nuclear fusion

noun

physics
: a process in which the nuclei of atoms are joined

Examples of nuclear fusion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In 2022, the NIF carried out a nuclear fusion experiment in which a laser shot produced more energy from fusion than the laser energy used to drive it. Jonathan Granoff, Newsweek, 29 Jan. 2025 White dwarfs are born when stars with sun-like masses exhaust their fuel supplies needed for nuclear fusion reactions within their cores and thereby collapse under the influence of their own gravity. Robert Lea, Space.com, 27 Jan. 2025 This event marks a significant step in the global pursuit of practical nuclear fusion energy generation. Quartz Intelligence Newsroom, Quartz, 24 Jan. 2025 His wealth stems from stakes in several companies including Reddit, payments platform Stripe and nuclear fusion firm Helion. Siladitya Ray, Forbes, 8 Jan. 2025 See all Example Sentences for nuclear fusion 

Dictionary Entries Near nuclear fusion

Cite this Entry

“Nuclear fusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nuclear%20fusion. Accessed 6 Feb. 2025.

Medical Definition

nuclear fusion

noun
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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