For the first time, the editors of the acclaimed American Heritage(R) Dictionary have applied their efforts to word usage as its own subject. The result is this

Survey of English usage, grammar, and style offering guidance on almost any writing problem imaginable.

This new edition offers newly updated terms, and provides the latest research on word origins and meanings, with guidelines on accurate usage.

Contains entries for over 10,000 new words reflecting the explosion of computer and Internet technology as well as changes in popular culture and slang.