Includes 100,000 definitions and 28,000 usage examples with 150 newly added words across a variety of fields, including technology, entertainment, health, science and society. Features 500 synonym paragraphs, 200 word history paragraphs that clarify meaning. 1,280 pages. Reference Book Type: Dictionary; Age Recommendation: Grades 9-11; Language(s): English; Number of Pages: 1,280 pages.Package Includes: Includes one dictionary.