A Student's Dictionary & Gazetteer 2017 24th Edition

This dictionary features over 32,000 words with simple, child-friendly definitions, plus pronunciation and part of speech. Additional information about punctuation, the nine parts of speech, weights and measures, longest word, Roman numerals, sign language, braille, periodic table of elements, multiplication table and a map of the United States is included. It also includes over 150 pages of supplemental information in the back. Key features include the Constitution of the U.S., the Declaration of Independence, brief biographies of all of the U.S. presidents, world maps, and information about all 50 states, countries of the world and planets in our solar system. sign language, braille and the longest word in the English language.