An extensive working vocabulary is a prerequisite for test-taking success on the Graduate Record Exam. GRE Essential Words presents 800 graduate-level words with definitions that frequently appear on the exam.The book’s additional features include:a pre-test that helps to diagnose weaknessesa lengthy word list with extensive practice exercises a chapter that discusses and analyzes essential word rootsa post-test to assess progressanswers are provided for all exercises and for all questions in the pre- and post-test