Definition
(adjective) of or related to mnemonics: the study of techniques for remembering anything more easily. (as a noun) Anything (especially something in verbal form) used to help remember something.
DFW's Sentence It is an associated contrast between Americans' mortified response to the Abu Ghraib photos and reports of the Arab world's phlegmatic reaction to the Berg video that leads to his churn's climax, which is that we are plainly, unambiguously better than the Arab world—whereupon John Ziegler invites listeners to respond if they are so moved, repeats the special mnemonic KFI call-in number, and breaks for the :30 news and ads, on time to the second, as 'Mondo takes ISDN feed from Airwatch and the program's associate producer and call screener, Vince Nicholas—twenty-six and hiply bald—pushes back from his console and raises both arms in congratulation, through the glass.
My Sentence Marty spent hours practicing his mnemonic routine but he soon discovered, much to his chagrin, the remembrance of obscured dead philosopher's birth homes wasn't exactly the aphrodisiac he had anticipated.
01: DFW Source: The Host
02: Definition Source: Wiktionary