411 REFERENCE · Wiktionary
FAPP
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Popularized by physicist John Stewart Bell.
Pronunciation
en /fæp/
en En-au-fap.ogg AU
en æp 1
en FAP fap
Prepositional phrase
en philosophy physics en for all practical purposes.
en 1988 John Stewart Bell https://quantumenigma.com/nutshell/notable-quotes-on-quantum-physics/ Cambridge University Press Speakable and Unspeakable in Quantum Mechanics Is it not good to know what follows from what, even if it is not necessary FAPP? Suppose for example that quantum mechanics were found to resist precise formulation. Suppose that when formulation beyond FAPP is attempted, we find an unmovable finger obstinately pointing outside the subject, to the mind of the observer, to the Hindu scriptures, to God, or even only Gravitation? Would that not be very, very interesting?" https://web.archive.org/web/20260519021204/http://quantumenigma.com/nutshell/notable-quotes-on-quantum-physics/ 19 May 2026
en 2011 Bruce Rosenblum, Fred Kuttner 206 Going beyond FAPP to interpret quantum theory is today a growth industry, and a contentious field, though a very small fraction of physicists are involved. https://www.google.com/books/edition/Quantum_Enigma/I9kGFX1_oGAC?hl=en&gbpv=1&pg=PA206&printsec=frontcover Quantum Enigma
en 2019 David Yeats Newtonian physics works fine, FAPP, at the macroscopic level, say Rosenblum & Kuttner https://www.google.com/books/edition/A_Universe_Full_of_Magical_Things/qU3GDwAAQBAJ?hl=en&pg=PA45&printsec=frontcover 45 A Universe Full of Magical Things
Anagrams
en afpp PFPA