Online Reference Sources

Traces the evolution of the English language over the last millennium and includes definitions, history, and pronunciation of over half a million English words, present and past.

The Oxford Reference Online Premium contains about 100 dictionary, language reference, and subject reference works published by Oxford University press. It also contains a range of key titles from the acclaimed oxford Companion Series, plus the Oxford Dictionary of Quotations.

This dictionary includes more than 75,000 definitions, pronunciation guides and word histories for English words. (Note: Included as part of of our subscription to Britannica Academic. Scroll down to see the dictionary and thesaurus search box.)

Harvard University Press’s DARE focuses on the regional aspects of American English. Users can browse by region with an interactive map or create a map using the DARE survey data. Over 4,000 audio recordings are included and the search function allows searches by definitions, etymologies, and usage labels, in addition to regional labels.