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Physical Sciences Social Sciences Acoustics - a glossary of over 980 terms related to acoustics. Chemistry - a glossary of nearly 1400 terms related to chemistry. Electronics - a glossary of over 300 terms related to electronics. Environment - a glos...

Free online English dictionary, dictionaries and grammars for 350 languages, crossword puzzles, word games, language jokes, and a daily Good Word by linguist Robert Beard (Dr. Goodword).

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Website for USGS Geology and Geophysics. Site contains information on research activities and products and staff.

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