pre·​atom·​ic ˌprē-ə-ˈtä-mik How to pronounce preatomic (audio)
: of or relating to a time before the use of the atomic bomb and atomic energy

Word History

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of preatomic was in 1914

Dictionary Entries Near preatomic

Cite this Entry

“Preatomic.” Dictionary, Merriam-Webster, Accessed 20 May. 2024.

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