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MicroGravity.com provides information and tools on microgravity, i.e., weightlessness or zero gravity. The purpose is for the advancement of research, commercialization and education on microgravity and related fields including space research and commercialization. Info will be provided on microgravity related advancements by NASA, European Space Agency, International Space Station, and the space programs of Russia, China, India, Japan and private companies.

allwords.com - english dictionary with multi-lingual search. Search in German, Dutch, French, Italian, Spanish and English. Pronunciation files get rid of those silly symbols than nobody understands. It's free, so try the allwords.com dictionary today!

Comprehensive illustrated dictionary and encyclopedia with nearly half a million terms, each with definitions, translations, sample usage and related terms.

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.

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 encyclopedia, Wikipedia encyclopedia, Hutchinson encyclopedia, examples from classic literature, pronunciations, word browser, glossary. Free access

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, glossary, foreign language translation, medical dictionary, and rhyming dictionary lists.