cold fusion

noun

: a hypothetical method for achieving nuclear fusion at low temperature (such as room temperature)

Word History

First Known Use

1956, in the meaning defined above

Time Traveler
The first known use of cold fusion was in 1956

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Cite this Entry

“Cold fusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cold%20fusion. Accessed 21 Feb. 2024.

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