Oxford advanced  learner's Dictionary of Current English / 
Joanna Turnbull. 
 - Oxford ;  Oxford Univiversity Press,  2010. 
 - xx, 1796 p. : 
<br/><br/> "Oxford iWriter"--Cover. 
<br/><br/><label>ISBN: </label>9780194799102 (pbk. : CD-ROM) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language---United States
<br/><br/><label>Dewey Class. No.: </label>423  / Ox