Writing & Editing Why use the Oxford English Dictionary? The language’s greatest compendium of definitions and word histories—all 600,000 of them—can be a wonderful tool for the corporate writer. By Russell Working@byworkingJan. 20, 2011 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.