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Library Terminology: U

Dictionary of common library terms.

Click a letter, then click on a word.



A complete, full-length version of a literary work or dictionary.

Unbound Volumes

Softbound, individual issues of a periodical title that have not been bound together. Usually the most current issues. Sometimes referred to as a "unbound periodical" or "current periodical".

Uniform Title

A standardized title used in library catalogs that is assigned to a work that has no title, has published under multiple titles (e.g., translations), or is a collection of works (e.g., "Completed Works").


An abbreviation for Uniform Resource Locator. A unique address for a website.