an·ti·mat·ter ( n t -mt  r, nt -)n. A hypothetical form of matter that is identical to physical matter except that its atoms are composed of antielectrons, antiprotons, and antineutrons. |
antimatter [ˈæntɪˌmætə]
n
(Physics / General Physics) a form of matter composed of antiparticles, such as antihydrogen, consisting of antiprotons and positrons
| antimatter (nt-mtr) A form of matter that consists of antiparticles. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | 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 [ˈæntimætər] n → antimatière f
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