nonfissionable

adjective
non·​fis·​sion·​able | \ ˌnän-ˈfi-shə-nə-bəl How to pronounce nonfissionable (audio) , -zhə-; -ˈfish-nə-, -ˈfizh- \

Definition of nonfissionable

: not capable of undergoing fission : not fissionable nonfissionable uranium

First Known Use of nonfissionable

1946, in the meaning defined above

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The first known use of nonfissionable was in 1946

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Cite this Entry

“Nonfissionable.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/nonfissionable. Accessed 13 December 2019.

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