antiworld

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English[edit]

Etymology[edit]

anti- +‎ world

Noun[edit]

antiworld (plural antiworlds)

  1. (astrophysics) A hypothetical world constructed from antimatter.
    • 1975, Sputnik, number 7:
      But possibly there is an antiworld in which, in addition to matter, time is also negative. [] In such an antiworld man would grow younger with time and a broken glass would come together from its fragments.
    • 1982, Rudolʹf Konstantinovich Balandin, Vladimir Vernadsky:
      It follows that somewhere antiworlds consisting of antiparticles are bound to wander. No traces of these antiworlds have as yet been found.
    • 1988, Stephen Hawking, A Brief History of Time: From the Big Bang to Black Holes, page 75:
      There could be whole antiworlds and antipeople made out of antiparticles. However, if you meet your antiself, don't shake hands!

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