The timeline below shows where the term O.E.D. appears in Infinite Jest. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 40
...of the family. Mario was the first person to give Hal a copy of the O.E.D., and when a representative from U.H.I.D. approached Mario in the Y.D.P.F.A.H., Hal told him to...
(full context)