English Dictionary

ANTIMATTER

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 Dictionary entry overview: What does antimatter mean? 

ANTIMATTER (noun)
  The noun ANTIMATTER has 1 sense:

1. matter consisting of elementary particles that are the antiparticles of those making up normal substancesplay

  Familiarity information: ANTIMATTER used as a noun is very rare.


 Dictionary entry details 


ANTIMATTER (noun)


Sense 1

Meaning:

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

Classified under:

Nouns denoting substances

Hypernyms ("antimatter" is a kind of...):

matter (that which has mass and occupies space)

Meronyms (substance of "antimatter"):

antiparticle (a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy)


 Context examples 


LHCb studies antimatter and its relationship to matter.

(Physicists discover long-sought 'pentaquark' particle, NSF)

“These are positrons, the antimatter version of electrons, coming from somewhere beyond the solar system.”

(NASA’s Fermi Mission Links Nearby Pulsar’s Gamma-ray ‘Halo’ to Antimatter Puzzle, NASA)

A pentaquark is something different—a "composite state" that groups four quarks and one antiquark, the associated antimatter particle for a quark.

(Physicists discover long-sought 'pentaquark' particle, NSF)

This structure may provide the solution to a long-standing mystery about the amount of antimatter in our neighborhood.

(NASA’s Fermi Mission Links Nearby Pulsar’s Gamma-ray ‘Halo’ to Antimatter Puzzle, NASA)



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