This edition provides definitions for the words that make up the core of the English language. Special sections provide useful information for readers and writers.

• Over 40,000 clear, concise definitions
• Includes pronunciations and variant spellings
• Coverage of common abbreviations
• Special sections on Biographical Names, Geographical Names, English Word Roots, and Basic English Grammar

Created in cooperation with the editors of Merriam-Webster, America's leading provider of language information.