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antiworld

American  
[an-tee-wurld, an-tahy-] / ˈæn tiˌwɜrld, ˈæn taɪ- /

noun

  1. Physics. Often anti-worlds. a hypothetical world composed of antimatter.


antiworld British  
/ ˈæntɪˌwɜːld /

noun

  1. a hypothetical or supposed world or universe composed of antimatter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of antiworld

anti- + world

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Of course, that sort of hypothesis is merely a fantastic antiworld.

From Time Magazine Archive

Further study of this force should reveal just how precisely the antiworld duplicates the world.

From Time Magazine Archive

An intellectual antiworld: the big surrogate instructing the little surrogates.

From Time Magazine Archive

Each is the other's antiworld: Japan an exclusive, homogeneous Asian ocean-and-island realm, tribal, intricately compact, suppressive, fiercely focused; and the U.S. a giant of huge distances, expansive, messy, inclusive, wasteful, rich, individualist, multicultural, chaotically diverse.

From Time Magazine Archive

"A new and deeper world and antiworld symmetry is now believed to hold," says Lederman, "in which the antiworld does not only have antiparticles replace particles, but also is a mirror image of our world."

From Time Magazine Archive