antimatter


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to antimatter: black hole, CERN, dark matter

an·ti·mat·ter

 (ăn′tē-măt′ər, ăn′tī-)
n.
A form of matter that is identical to ordinary matter except that it is composed of antielectrons (positrons), antiprotons, and antineutrons.

antimatter

(ˈæntɪˌmætə)
n
(General Physics) a form of matter composed of antiparticles, such as antihydrogen, consisting of antiprotons and positrons

an•ti•mat•ter

(ˈæn tiˌmæt ər, ˈæn taɪ-)

n.
matter composed only of antiparticles.
[1950–55]

an·ti·mat·ter

(ăn′tĭ-măt′ər)
A form of matter identical to ordinary matter except that its atoms have opposite electrical charges or magnetic characteristics.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antimatter - matter consisting of elementary particles that are the antiparticles of those making up normal substances
matter - that which has mass and occupies space; "physicists study both the nature of matter and the forces which govern it"
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
Translations

antimatter

[ˈæntɪˌmætəʳ] Nantimateria f

antimatter

[ˈæntimætər] nantimatière f

antimatter

[ˈæntɪˌmætəʳ] nantimateria
References in periodicals archive ?
These gamma ray bursts coincided with that part of the spectrum which is usually associated with the process of antimatter annihilation, something physicists have never seen before.
Like two siblings with divergent personalities, a type of particle and its antimatter partner have shown signs of behaving differently.
And you'll be rewarded with author Howard Bloom's provocative new theory of the beginning, middle, and end of the universe--the Bloom toroidal model, also known as the big bagel theory--which explains two of the biggest mysteries in physics: dark energy and why, if antimatter and matter are created in equal amounts, there is so little antimatter in this universe.
2]uHAN)- A team of physicists announced a huge breakthrough in the understanding of antimatter by being the first to measure interaction between antiprotons, hailed as a potential and powerful new source of energy.
Unmmatter Plasma is a novel form of plasma, exclusively made of matter and its antimatter counterpart.
The ability to create a large number of positrons in a laboratory, by using energetic lasers, opens the door to several new avenues of antimatter research, including the understanding of the physics underlying extreme astrophysical phenomena such as black holes and gamma-ray bursts.
When antimatter combines with matter, it creates an explosion of energy.
Washington, June 4 ( ANI ): Researchers have claimed that a new study has brought us a step closer to understanding where all the antimatter has gone.
Now, experts at Swansea University are heavily involved in a collaborative project at the European nuclear research centre CERN which aims to find out more about what highly elusive antimatter is made of.
Objective: Antihydrogen is the only stable, neutral antimatter system available for laboratory study.
This is normally called electron spin resonance; with antimatter we call it positron spin resonance," says Mike Hayden, professor of physics at Simon Fraser University and an ALPHA team member.
Summary: Scientists are celebrating successfully capturing antimatter, which could help provide an insight into how the universe was created.