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

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YouTube is a place to discover, watch, upload and share videos.

Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

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The Cyclic Vomiting Syndrome Association (CVSA) serves the needs of cyclic vomiting syndrome (CVS) sufferers, their families and professional care giv...

Lab Tests Online offers noncommercial patient education on blood, urine, and other lab tests to help health care consumers better manage their care.