The Libraries has subscribed to several online dictionaries. Three of them are presented below.
Oxford Reference Online contains the texts of more than 100 dictionary, language reference, and subject reference works published by Oxford University Press. This database of full-text material covers the humanities, social sciences, science, and medicine and is searchable across subject ranges or within specific reference works.
To learn more see Oxford Reference Online Help.
LION: Literature Online is a fully searchable library of more than 350,000 works of English and American poetry, drama, and prose, plus biographies, bibliographies, and over 200 full-text journals and other key criticism and reference sources, from the Anglo-Saxon period to the 20th century.
It includes the Webster's Third International Dictionary.
To learn more see LION: Literature Online help.
OED Online (Oxford English Dictionary Online) is the most complete historical record of the English language: the largest dictionary of the English language, containing over 600,000 word forms with pronunciations, etymologies, and quotations.
To learn more see the OED Online Help.
Access to these databases is limited to current Columbia faculty, students, and staff because of licensing or copyright restrictions.
For additional information, please stop by a reference desk in the Libraries or Ask a Librarian.