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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...

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

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.

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

The National Academies Press (NAP) publishes authoritative reports issued by The National Academies. Publications address key issues in science, engineering, social sciences, medicine and health. Topics range from space science to animal nutrition to...

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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.

The U.S. Department of Labor is charged with preparing the American workforce for new and better jobs. DOL is responsible for the administration and enforcement of over 180 federal statutes.