English edit

Pronunciation edit

Adjective edit

back-to-back (not comparable)

  1. Sequential or consecutive.
    Ruth and Gehrig hit back-to-back home runs.
    They sat through two back-to-back movies.
    • 2011 February 12, Les Roopanarine, “Birmingham 1 - 0 Stoke”, in BBC[1]:
      An injury-time goal from Nikola Zigic against an obdurate Stoke side gave Birmingham back-to back Premier League wins for the first time in 14 months.
  2. With one's back facing that of somebody else.
  3. (physics, by extension) Emerging in exactly opposite directions.
    • 2009, R. Fiore, Alessandro Papa, Igor Ivanov, Jacques Soffer, Diffraction 2008: International Workshop on Diffraction in High Energy Physics, Amer Inst of Physics:
      Seen in laboratory frame the photon-jet pair is not any longer back-to-back and the energy balance is distorted.
    • 2000, S. Söldner-Rembold, Photon '99: Proceedings of the International Conference on the Structure and Interactions of the Photon, Including the 12th International Workshop on Photon-Photon Collisions, Freiburg, Germany, 23-27 May 1999:
      This produces two back-to-back jets of hadrons that dominate the inclusive high energy cross-section.
    • 2015, Thomas Schörner-Sadenius, The Large Hadron Collider: Harvest of Run 1, Springer, →ISBN, page 392:
      Photons at leading order are produced back-to-back with an associated parton with nearly identical transverse momenta.
    • 1992, David Shaw Brown, A Comparison of High Transverse Momentum Direct Photon and Neutral Pion Events in Negative Pion and Proton-nucleus Collisions at 31.5 GeV Center of Mass Energy:
      In the rest frame of the   the photons emerge back-to-back isotropically.
  4. (of a house) Having a party wall at the rear,
    We lived in a row of back-to-back houses.
  5. (poker slang) Synonym of wired (being a pair in seven card stud with one face up and one face down).

Translations edit

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Adverb edit

back-to-back (not comparable)

  1. Alternative form of back to back
    • 2021 December 15, Paul Clifton, “There is nothing you can do”, in RAIL, number 946, page 37:
      A ScotRail Driver: [...] A good friend of mine overshot two stations back-to-back a couple of years ago. He tried to stop at one station and slid by it. Tried to stop at the next station. He slid by that, too.

Noun edit

back-to-back (plural back-to-backs)

  1. A house with a party wall at the rear.