Af·​to·​ni·​an | \ (ˈ)af-¦tō-nē-ən \

Definition of Aftonian

: belonging to the first interglacial interval during the glacial epoch in North America

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First Known Use of Aftonian

1895, in the meaning defined above

History and Etymology for Aftonian

Afton, town in Iowa + English -ian

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The first known use of Aftonian was in 1895

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Cite this Entry

“Aftonian.” Dictionary, Merriam-Webster, Accessed 25 May. 2020.

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