The Concise American Dictionary is a convenient and complete dictionary for school, work, and home. The dictionary includes Usage Notes that give helpful information on correct English; hundreds of Word Histories that provide fascinating background on the lives of words; more than 300 carefully chosen illustrations; and a handy Ready Reference section with information about weights and measures, chemical elements, U.S. states and presidents, punctuation, frequently misspelled words, and much more. In addition, like all other Oxford American dictionaries, The Concise American Dictionary uses an easy-to-use respelling system to show how entries are pronounced. Features Includes more than 180,000 entries and definitions. Includes pronunciations, parts of speech, syllabification, inflected forms, and derivatives. Usage Notes that give helpful information on correct English. Hundreds of Word Histories that provide fascinating background on the lives of words. More than 300 carefully chosen illustrations; and a handy Ready Reference section.