library science

noun
the study of the organization and administration of a library and of its technical, informational, and reference services.

Origin:
1900–05

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To library science
Example sentences
They may ask why you chose library science as a career or what drew you to the
  profession.
Academic librarians are scholars in their own field, library science.
The explosion of information and information delivery systems meant that
  library science was exploding, too.
McCarthy compiled a large political science bibliography for the library and
  published numerous articles on library science.
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