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Site listing several types of dictionaries related to the sciences.
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Reference material in art, art history, art criticism, aesthetics, and art education. Definitions of thousands of terms, illustrations, quotations, and links to other resources.
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More than 25,000 notable men and women who have shaped our world.
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Lookup a definition in the search bar or by first letter. Includes a "word of the day".
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Free online dictionary search, translator, word of the day, crossword puzzles and word games, and vocabulary learning resources for many languages.
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Features profiles of over 300 known dinosaurs along with pronunciations of their names.
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An online dictionary with definitions of more than 125,000 words and links to other related student tools.
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A searchable dictionary of terms from computing and related fields.
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A collection of illustrated words and concepts, aimed at children in preschool or early primary years.
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Downloadable program that looks up entire lists of vocabulary words.
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Thematic visual dictionary by Bernard Déry, to learn by way of image. Concise definitions within the fields of vegetal biology, animal biology, and human anatomy.
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Picture dictionary gives definitions, pictures, and Internet links for over 2,350 entries. Includes translations for English to and from Dutch, French, Spanish, and more.
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A dictionary and glossary for the language of the Internet acronyms.
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Type in a word and search many dictionaries at once. Also has a reverse dictionary and translations.
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An online picture dictionary with thousands of images
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Covers slang, made up words, "webspeak", colloquialisms and accepts contributions for new entries.
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Rhyming dictionary and thesaurus: rhymes, near rhymes, homophones synonyms, and semantic siblings of English words.
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Categorized terms with definitions and explanations.
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Glossaries for several languages and for specialized fields from the University of Vaasa, Finland.
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Online publication of the 4th edition. Featuring audio word pronunciations, illustrations.
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Free, online multilingual picture dictionary with interactive activities for English, French, German, Spanish, Italian and ESL learners.
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A skeptical view of occult, mysticism, and the paranormal.
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Online dictionary and reference website.
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Definitions of many computer-related terms. Searchable using search engine or categorized lists.
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Merriam-Webster's site for kids has a student dictionary, Daily Buzzword, and interactive word games. Includes homework help and lesson plans for teachers.
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Integrated english dictionary and thesaurus.
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Provides definitions, synonyms, and related words.
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Search on several different dictionaries, an encyclopedia, and the web.
