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

ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

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

LIVESTRONG offers trusted health information and health news on diseases, symptoms, drugs, treatments and more. Get healthy with LIVESTRONG

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...

Medical reference laboratory providing esoteric and genetic testing services, test selection guidance, result interpretation references, and continuing education for clients worldwide.

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

Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary o...

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