The American Heritage dictionary of the English language
- 5th ed.
- Boston : Houghton Mifflin Harcourt , 2011.
- xxvii, 2084 p. : ill. (some col.), maps, ports. ; 29 cm.
Previous ed.: 2000.
This fifth edition has entries for over 10,000 new words and terms, offers the latest research on word origins and meanings, and provides guidelines on accurate usage.