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Quick Reference : Dictionaries and Thesauri

Dictionary Thesaurus


Grove Music Online
all aspects of music; as of March 2008 relaunched as part of Oxford Music Online

OneLook Reverse Dictionary

look up words, phrases, and sentences for related concepts
Acronym Finder
decipher acronyms, abbreviations, and initialisms

Oxford English Dictionary
word origins and histories
Bilingual Dictionaries
(OUP)

Symbols
find over 2500 Western symbols their meanings, and their histories
Brewer's Dictionary of Phrase and Fable (1898)
etymologies and origins of "words with a tale to tell"

Webster's Online Dictionary:
The Rosetta Edition
definitions and images across 40 languages
Cambridge Dictionaries
international and American English dictionaries

WordNet: a lexical database for the
English language
 (Princeton)
thesaurus
English Dictionaries and Thesauruses
(OUP)

yourDictionary.com
1800 dictionaries ; over 250 languages
English Pronouncing Dictionary with Sound


Medical Dictionary
MedlinePlus