- More than 70,000 entries - Thoroughly revised and updated - 2,500 new words and meanings - More than 400 photographs and illustrations - Expert guidance on correct usage YOU ARE YOUR WORDS The words you use define you. Make the most of them with The American Heritage(R) Dictionary. THE FIFTH EDITION FEATURES Clear definitions written in a style that is accurate and easy to understand New words and senses in all areas from science and technology to food and clothing Biographical and geographical entries that identify the people and places you need to know Useful illustrations that enhance the definitions and make learning easier Expert guidance on usage based on surveys of the American Heritage(R) Usage Panel Etymologies, synonyms, antonyms, and much more