The Oxford English Dictionary is the internationally recognized authority on the evolution of the English language from 1150 to the present day. The Dictionary

Produced by Oxford's American Dictionaries Program, and drawing on the expertise of scores of American scholars and advisors, The New Oxford American Dictionary

A comprehensive lexicon of American English includes 175,000 concise definitions; notes on grammar, style, and usage ; hundreds of world histories; illustration

Produced by Oxford's American Dictionaries Program, and drawing on the expertise of scores of American scholars and advisors, The New Oxford American Dictionary

Covers basic grammar, punctuation, spelling, and idiomatic phrases of American English.