antihelium

antihelium

[an-tee-hee-lee-uhm, an-tahy-]
noun Physics.
the antimatter counterpart to helium.
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American Heritage
Science Dictionary
antihelium   (ān'tē-hē'lē-əm, ān'tī-)  Pronunciation Key 
The antimatter that corresponds to helium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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