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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...

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

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

The Lancet is the world

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

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

A language arts reference tool and comprehensive search engine for words. Includes the functions of a rhyming dictionary, thesaurus, and spelling checker, as well as an integrated full-text search engine for all of Shakespeare

Twitter is without a doubt the best way to share and discover what is happening right now.

Radiopaedia.org, the online collaborative radiology resource.

Biology Online, information in the life sciences in the form of tutorials, references and an online dictionary of biology terms.