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Geology and Earth Science current events, news, articles, dictionary, satellite images, career information, reference maps, and more.

The public site for Oxford Reference Online - the biggest, most up-to-date, authoritative, and accessible reference work in the world. This huge resource contains almost 2 million words and phrases from Oxford

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...

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

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).

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

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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...

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

Software and Information for Geologists

Free online English dictionary from Oxford, plus thesaurus, word of the day, resume examples, letter writing, and English grammar

Wordsmyth. The Premier Educational Dictionary - Thesaurus. Free online dictionary with definitions written at three levels, synonyms, antonyms, examples, images, audio, semantic relations index. Look up any word. Create your own glossaries and quizze...