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The Merriam-Webster Online Dictionary is based on the print version of Merriam-Webster's Collegiate® Dictionary, Eleventh Edition. The online dictionary includes the main A-Z listing of the Collegiate Dictionary, as well as the Abbreviations, Foreign Words and Phrases, Biographical Names, and Geographical Names sections of that book. It also includes 1,000 illustrations and 25 tables. Selected sections of the print Collegiate Dictionary, notably the Signs and Symbols section, are omitted from the online Collegiate Dictionary because they include special characters and symbols that cannot readily be reproduced in HTML.