superbomb

noun
su·​per·​bomb | \ ˌsü-pər-ˈbäm How to pronounce superbomb (audio) \
plural superbombs

Definition of superbomb

: an extremely powerful bomb specifically : hydrogen bomb In July 1941 the committee reported that a superbomb could be made with isotopically separated uranium-235. — Robert L. Weber

First Known Use of superbomb

1915, in the meaning defined above

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The first known use of superbomb was in 1915

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Cite this Entry

“Superbomb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superbomb. Accessed 11 Aug. 2020.

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