A purine analog which acts as an antimetabolite; potent inhibitor of adenosine deaminase. Used as an antineoplastic agent. ... See: pentostatin. ... (05 Mar 2000) ... 
Type: Term Pronunciation: dē-oks′ē-kō-fōr-mī′sin Definitions: 1. A purine analogue that acts as an antimetabolite; potent inhibitor of adenosine deaminase. Used as an antineoplastic agent.