: following the introduction and widespread recognition of the theories and discoveries of Albert Einstein
a post-Einsteinian world view
In the domain of theoretical science, astrophysics in particular brought to dramatic realization the post-Einsteinian universe with disclosures of startling new concepts and phenomena … V. B. Leitch

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of post-Einsteinian was in 1938

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Cite this Entry

“Post-Einsteinian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/post-Einsteinian. Accessed 31 Mar. 2025.

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