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Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

This site contains thousands of definitions about computers, the Internet, and the online world of business, technology & communication :-) A popular online dictionary it includes one of the largest collections of text messaging, acronyms and sm...

Longman English Dictionary is the leading dictionary for learners of English of all ages and levels who want to learn more about English: definition, idioms, examples and more.

Free Online English Dictionary & Thesaurus, translation from English to Spanish & Turkish and Spanish to English and other language resources. Conjugation dictionary. Audio pronunciation. Publisher: Cambridge Univeristy Press.

Yiddish Dictionary Online, A searchable Yiddish Dictionary intended for all levels of Yiddish students. Quick way to look up Yiddish words, see their Yiddish-letter spellings, and get brief definitions.

Improve your writing for free. Aimed at novelists, bloggers, and other writers. Improve your writing in less than five minutes.

The World Book web site offers an encyclopedia, dictionary, atlas, homework help, study aids, and curriculum guides. World Book is publisher of the World Book Encyclopedia.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

The Free Online English Dictionary from Macmillan Publishers.