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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...

YourDictionary is a free online dictionary that offers definition search from Webster's dictionary for word meanings and thesaurus. Use this dictionary search as a crossword or scrabble dictionary. Also find legal dictionary, technical words, glossar...

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

Contributing, through research and teaching, to a fundamental understanding of the Earth as a coupled system. University of California, Irvine Department of Earth System Science.

Perform conversions between 2100 various units of measure in more than 70 categories.

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Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

The Calculator Home Page has free resources, calculator software downloads, calculate online, units conversions, physical properties and constants, and help.

online unit converter - the richest collection of converters for online unit conversion.