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Definition of Antimatter in English :

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Antimatter

see synonyms of antimatter

Noun

1. antimatter

matter consisting of elementary particles that are the antiparticles of those making up normal substances

WordNet Lexical Database for English. Princeton University. 2010.

Antimatter

see synonyms of antimatter
noun
a form of matter composed of antiparticles, such as antihydrogen, consisting of antiprotons and positrons

Collins English Dictionary. Copyright © HarperCollins Publishers

Antimatter

see synonyms of antimatter
noun
a form of matter in which the electrical charge or other property of each constituent particle is the reverse of that in the usual matter of our universe: an atom of antimatter has a nucleus of antiprotons and antineutrons surrounded by positrons

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Antimatter

see synonyms of antimatter
n.
A form of matter that is identical to ordinary matter except that it is composed of antielectrons (positrons), antiprotons, and antineutrons.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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