英和和英

別の表記

• E.P.R., E. P. R.

名詞

EPR (countable and uncountable, plural EPRs)

1. (aviation) Initialism of engine pressure ratio (the ratio of pressure between exhaust and inlet of a jet engine).
2. (finance) Initialism of expected profit rate.
3. (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

4. (medicine) Initialism of electronic patient record.
5. (environment, law) Initialism of extended producer responsibility.
   • 2025 May 31, Rachel Cernansky, “Solving fashion’s waste problem”, in FT Weekend (Life & Arts section), London: The Financial Times Ltd., →ISSN, →OCLC, page 4:

     From California to the EU, legislators are moving ahead with a concept known as extended producer responsibility (EPR), which aims to hold brands accountable for what happens to the products they put out into the world.

Further reading

• European Pressurised Reactor on Wikipedia.Wikipedia

語源 2

From the initials of the three theoreticians to conceived of the paradox, Einstein (Albert Einstein), Podolsky (Boris Podolsky), Rosen (Nathan Rosen).

固有名詞

EPR

1. (physics) Short for Einstein–Podolsky–Rosen paradox

   Synonym: Einstein-Podolsky-Rosen paradox

派生語

(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)

関連する語

(Einstein Podolsky Rosen):

• ER (Einstein-Rosen)
• Einstein-Rosen bridge

Further reading

• Einstein–Podolsky–Rosen paradox on Wikipedia.Wikipedia

アナグラム

• ERP, PER, Per., RPE, Rep, Rep., per, per-, per., pre, pre-, rep