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Dictionaries - Twin Cities Library, Saint Mary's University of Minnesota

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Dictionaries provide word definitions, etymologies, connotations, nuances, and translations. Twin Cities Librarians recommend:

Free Online Dictionary of Computing

Free Online Dictionary of Computer provides definitions for technology-related terms, acronyms, and programming languages.

Longman Advanced American Dictionary

Longman's includes definitions, idioms, examples and more. This dictionary is excellent for English language learners. Note: it's a print book located in the library - you can't access it online.

Merriam-Webster's Collegiate Dictionary

Provided through our subscription to Encyclopedia Britannica Online: Academic Edition.

Merriam-Webster Online

Merriam-Webster provides authoritative definitions, etymologies, and synonyms for words and phrases.

One Look Dictionary Search

One Look Dictionary Search searches multiple dictionaries at once and posts answers so that you only have to search once.

S9: Biographical Dictionary

Biographical Dictionary contains biographies of significant persons and allows users to create and edit content similarly to Wikipedia.


Wordsmyth contains a thesaurus, audio pronunciations, and example sentences. contains Webster’s New World College Dictionary definitions, Roget's Thesaurus synonyms, audio pronunciations, example sentences, and quotes.