ath·e·nae·um | \ ˌa-thə-ˈnē-əm 
\
\variants:
or atheneum
Definition of athenaeum
1 : a building or room in which books, periodicals, and newspapers are kept for use
2 : a literary or scientific association
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Time Traveler for athenaeum
The first known use of athenaeum was in 1799
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