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

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...

Online Medical Dictionary and glossary with medical definitions

Home page, part of the Internet Classics Archive

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

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

Life Technologies Corporation (NASDAQ: LIFE) is a global biotechnology tools company dedicated to improving the human condition. Our systems, consumables, reagents and services enable researchers to accelerate scientific exploration.

CST strives to make novel antibodies of the highest possible quality by producing them in-house and rigorously characterizing them with respect to specificity and sensitivity. Production begins with extensive purification (typically by both protein A...

Antibodies and other tools for protein extraction, purification, modification and detection. Pierce Protein Research Products from Thermo Fisher Scientific.

Ask A Biologist Front Page. Arizona State University question and answer resource for K-12 students and their instructors.