nuclear reactor

noun

physics
: a large device that produces nuclear energy

Example Sentences

Recent Examples on the Web There’s no way to explain it other than the Purdue Boilermakers melting down like a flawed nuclear reactor. Joseph Goodman | Jgoodman@al.com, al, 18 Mar. 2023 Finland canceled a troubled project with Rosatom to build a nuclear reactor and hired Westinghouse to design, license and supply a new fuel type for its plant in Loviisa after its current contracts expire. Patricia Cohen, New York Times, 10 Mar. 2023 In the last 75 years, Israel’s famed 69 Squadron—nicknamed the ‘Hammers’—has carried out air strikes on a royal palace in Cairo, air defense missile batteries in Lebanon and along the Suez canal, and a nuclear reactor under construction in Syria. Sébastien Roblin, Popular Mechanics, 10 Mar. 2023 Georgia Power said Unit 3 would continue startup testing to show that its cooling system and steam supply system will work at the intense heat and pressure that a nuclear reactor creates. Jeff Amy, The Christian Science Monitor, 7 Mar. 2023

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

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 23 Mar. 2023.

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!


Challenging Standardized Test Words, Vol. 2

  • a pencil broken in half on top of a test answer sheet
  • The business’s new computer system proved not to be a panacea.
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY