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antihydrogen

[an-tee-hahy-druh-juh n, an-tahy-] /ˌæn tiˈhaɪ drə dʒən, ˌæn taɪ-/
noun, Physics.
1.
the antimatter counterpart to hydrogen.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for antihydrogen
  • Low-energy atoms of antihydrogen will enable researchers to test a fundamental property of the universe.
  • antihydrogen is of interest for use in a precision test of nature's fundamental symmetries.
  • Once he's got antihydrogen atoms in hand, he explains, he will use a laser beam to stimulate them to emit light.
  • Basically, the interference pattern shifts by the same amount that the antihydrogen.
  • To form antihydrogen during these sessions, antiprotons were mixed with positrons inside the trap.
  • Fact is, no one has yet held onto antihydrogen atoms for more than a few thousandths of a second.
  • The team has made the first measurements of a complete antihydrogen atom.
British Dictionary definitions for antihydrogen

antihydrogen

/ˈæntɪˌhaɪdrədʒən/
noun
1.
hydrogen in which the nucleus is an antiproton with an orbiting positron
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
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antihydrogen in Science
antihydrogen
  (ān'tē-hī'drə-jən, ān'tī-)   
The antimatter that corresponds to hydrogen. Antihydrogen has been useful in studies of the relationship between matter and antimatter, because its matter equivalent (hydrogen) is one of the most studied and most well understood forms of matter.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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