The New Oxford American Dictionary is the most accurate and richly descriptive picture of American English ever offered in any dictionary. Oxford's American editors drew on a 200-million-word databank of contemporary North American English, plus the unrivaled citation files of the world-renowned Oxford English Dictionary.
The iPhone version contains the latest 2009 updates, with 500 new head words, making this the most comprehensive and up-to-date American English reference.
Features include: