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Reference Sources Guide
A guide to general reference sources including dictionaries, encyclopedias, and biographies
Aggregator of over 900 dictionaries on the web. Option to choose from lists grouped selectively by type, subject, popularity. Includes a reverse dictionary for finding words based on a description of a concept.
Includes syllabication, pronunciation, definitions, synonyms, inflections, and parts of speech. A primary strength is the integrated thesaurus with "synonyms keyed to each of the definitions in a dictionary entry." Registration and login required for access to all of its features.
Dictionary aggregator that includes Webster's New World Dictionary as well as Roget's Thesaurus. Audio pronunciations and usage examples. "Look up general or specialized words in literally thousands of English and foreign-language dictionaries."
Check the catalog to find more bilingual dictionaries.