nuclear reactor

noun

physics
: a large device that produces nuclear energy

Examples of nuclear reactor 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.
First conceived of in 1945, this is a rocket that replaces burning chemical fuel with a nuclear reactor that is used to heat up a propellant. David Szondy, New Atlas, 20 Jan. 2025 Holly Rothkopf, Boynton Beach Jimmy Carter, under pressure Jimmy Carter was sent to Ontario, Canada, to fix the damaged Chalk River nuclear reactor in 1952. Sun Sentinel Editorial Board, Sun Sentinel, 13 Jan. 2025 For instance, North Korea was removed by the George W. Bush administration because of Pyongyang’s promise to halt its nuclear program and allow inspectors access to its Yongbyon nuclear reactor. Jason M. Blazakis, The Conversation, 16 Jan. 2025 Amazon and Alphabet announced investments in small nuclear reactor technology in October. Spencer Kimball, CNBC, 18 Dec. 2024 See all Example Sentences for nuclear reactor 

Dictionary Entries Near nuclear reactor

Cite this Entry

“Nuclear reactor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nuclear%20reactor. Accessed 16 Feb. 2025.

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!