The hardcover edition is ideal for classroom adoptions. The Cambridge Academic Content Dictionary defines the vocabulary students need to succeed in high school and beyond. The dictionary also provides full coverage of the everyday words and phrases students need to know. Its entries include more than 2,000 key vocabulary items from the content areas of math, the arts, chemistry, earth science, physics, American and world history, social studies, language arts, and other disciplines, as well as the more general vocabulary used in academic writing and speech, such as analyze, derive, and subsequent. 2008. It is based on extensive Corpus research and developed with the needs of English learners in mind.