Re

RE may be an abbreviation or a word/name. It may refer to:

Abbreviations

• RE (complexity), the set of recursively enumerable languages
• RE (automobile), a defunct Rhodesian race-car constructor
• RE (e-mail), (re:) "REPLY" "in reference to" in e-mail, letter, memorandum, court case title, etc. (cf. re)
• The IATA code for Aer Arann, an Irish regional airline
• Rare earth element, one of a group of elements on the periodic table. Only when followed by the word "element".
• Real estate
• Rotary engine
• Royal Society of Painter-Printmakers
• Realencyclopädie der Classischen Altertumswissenschaft, a German encyclopedia of classical scholarship
• Recursively enumerable set
• Regular expression, a string that describes or matches a set of strings, according to certain syntax rules
• Relative effectiveness factor, a measurement of an explosive's power
• Resident Evil, a franchise of horror-adventure video games
• Réunion, a French island (pop. ~800,000) near Mauritius, ISO 3166 digram and FIPS PUB 10-4 territory code
  • .re, Internet country code top-level domain (ccTLD) of Réunion
• Reuptake enhancer, a type of drug which enhances reuptake of a neurotransmitter
• Reverse engineering, the process of taking something (a device, an electrical component, a software program, etc.) apart and analyzing its workings in detail
• Requirements engineering during the development of computer programs
• Rock-Eval, an apparatus for assessing the oil potential of a sedimentary rock, designed at the French Institute of Petroleum
• Royal Engineers, a corps of the British Army
• Religious Education
• Abbreviations of single words:
  • Re(z) or $\Re$: the real part in mathematics
  • Reynolds number, in physics
  • Réaumur scale degree of temperature (°Ré)
  • Rhenium, a chemical element whose symbol is "Re"
  • Re., or Rupee, a currency in many Asian countries

Words

• re (re:), a word meaning "regarding, with reference to".
• Re, the ancient Egyptian god Ra
• Re: (band), a musical duo based in Canada and the United States
• Re, or Reinsurance, a process whereby an insurer spreads its own risks
• Re (exclamation), in Greek
• Re, 'in the matter of...'; see the list of Latin phrases and In re
• 're, a contracted form of are, part of the English verb to be
• re, a chemical descriptor, see Prochirality
• re means again, e.g. re-reads
• Re (kana), the Japanese syllables written れ and レ

Music

• Re (musical note), the second pitch of the solfège scale, corresponding to the note D
• Re (Café Tacuba album)
• Re (Les Rita Mitsouko album)
• Re. (Aya Ueto album)

People

• Giovanni Battista Re, an Italian cardinal
• Cayetano Ré, a former Paraguayan footballer with Asperger syndrome

Places

• Re, Norway, a municipality in Vestfold county, Norway
• Re, Sogn og Fjordane, a village in Gloppen municipality, Sogn og Fjordane county, Norway
• Re, Piedmont, an Italian municipality
• Île de Ré, an island off the west coast of France
  • Le Bois-Plage-en-Ré, a commune on that island
• Re di Anfo, a torrent (seasonal stream) in Italy
• Re di Gianico, Re di Niardo, Re di Sellero, Re di Tredenus, torrents in the Val Camonica