adjective bib·lio·the·car·i·al \bi-blē-ə-thə-ˈker-ē-əl, ¦bi-blē-ˌä-\

Definition of bibliothecarial

  1. :  of or related to a library

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Origin and Etymology of bibliothecarial

Latin bibliothecarius librarian (from bibliotheca + -arius -ary) + English -al

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a trip made at another's expense

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