aeolianite

noun
ae·​o·​lian·​ite | \ ē-ˈō-lē-ə-ˌnīt How to pronounce aeolianite (audio) , ā-, -ˈōl-yə-\

Definition of aeolianite

: eolianite The tools, mostly sharp stone flakes for cutting and scraping, were found in clusters on elevated geologic formations of aeolianite, old sand dunes hardened into rock with a rough surface.— John Noble Wilford, New York Times, 22 Nov. 2005

First Known Use of aeolianite

1960, in the meaning defined above

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