The Merriam-Webster´s School Dictionary is written especially for students grades 9-11, ages 14 and up. Features more than 100,000 definitions and 28,000 usage examples. Includes 150 newly added words and meanings across a variety of fields including technology, entertainment, health, science, and society. More than 500 synonym paragraphs, 200 word history paragraphs that clarify meaning, and nearly 1,000 illustrations. Updated to include new vocabulary such as hashtag, cloud computing, and selfie. Special sections include biographical names, geographical names, and signs and symbols. A great study aid for students building vocabulary as they prepare for college-level reading. Includes 1,280 pages. Measures 7.25" x 9.5". Laminated hardcover binding.