British Library
British Library: Language & Literature: Dictionaries and Meanings
Article discusses the history of English dictionaries over a five-hundred-year period. Includes selections from Samuel Johnson's dictionary of 1755 and the Oxford English Dictionary. With useful comments about the origins of words,...
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Dictionary.com
Dictionary.Com is an online dictionary. It provides definitions, syllabication, pronunciation, word origin, and part of speech. It also provides a word of the day, word games, and much more.