EPR

== English == === Etymology 1 Abbreviation === ==== Alternative forms ==== E.P.R., E. P. R. ==== Noun ==== EPR (countable and uncountable, plural EPRs) (aviation) Initialism of engine pressure ratio (the ratio of pressure between exhaust and inlet of a jet engine). (finance) Initialism of expected profit rate. (nuclear energy) Initialism of European Pressurised Reactor, a type of nuclear reactor, later also an initialism of Evolutionary Power Reactor. Hypernyms: pressurized reactor, nuclear reactor, reactor (medicine) Initialism of electronic patient record. (environment, law) Initialism of extended producer responsibility. ==== Further reading ==== European Pressurised Reactor on Wikipedia.Wikipedia === Etymology 2 From the initials of the three theoreticians to conceived of the paradox, Einstein (Albert Einstein), Podolsky (Boris Podolsky), Rosen (Nathan Rosen). === ==== Proper noun ==== EPR (physics) Short for Einstein–Podolsky–Rosen paradox Synonym: Einstein-Podolsky-Rosen paradox ===== Derived terms ===== (Einstein Podolsky Rosen): ER=EPR / EPR=ER (a conjecture about the nature of the universe that connects quantum physics to spacetime physics) EPR telephone (a conjecture to communicate non-locally, faster than light, back in time) ===== Related terms ===== (Einstein Podolsky Rosen): ER (Einstein-Rosen) Einstein-Rosen bridge ==== Further reading ==== Einstein–Podolsky–Rosen paradox on Wikipedia.Wikipedia === Anagrams === ERP, PER, Per., RPE, Rep, Rep., per, per-, per., pre, pre-, rep == French == === Pronunciation === === Proper noun === EPR m initialism of Groupe Ensemble pour la République