Definition of antiparticle in English:

antiparticle

nounˈantɪˌpɑːtɪk(ə)l

Physics

A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g. the positron has the same mass as the electron but an equal and opposite charge.
〔物理〕反粒子
Example sentencesExamples
- One can imagine atoms that are made of antiparticles: antiprotons, antineutrons, and positrons.
- Some neutral particles such as photons are their own antiparticles, while others like neutrons have antiparticles with opposite magnetic moments.
- At about one second into the life of the universe, the majority of existing particles and antiparticles had been destroyed to produce photons of electromagnetic radiation.
- Note that subatomic particles sometimes have antiparticles, with opposite charge and spin, that are the same ones going backwards in time.
- Positively charged beta particles, the antiparticle of electrons, are called positrons.

Definition of antiparticle in US English:

antiparticle

noun

Physics

A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g. the positron has the same mass as the electron but an equal and opposite charge.
〔物理〕反粒子
Example sentencesExamples
- Note that subatomic particles sometimes have antiparticles, with opposite charge and spin, that are the same ones going backwards in time.
- Positively charged beta particles, the antiparticle of electrons, are called positrons.
- One can imagine atoms that are made of antiparticles: antiprotons, antineutrons, and positrons.
- Some neutral particles such as photons are their own antiparticles, while others like neutrons have antiparticles with opposite magnetic moments.
- At about one second into the life of the universe, the majority of existing particles and antiparticles had been destroyed to produce photons of electromagnetic radiation.

词汇	antiparticle
释义	Definition of antiparticle in English: antiparticle nounˈantɪˌpɑːtɪk(ə)l Physics A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g. the positron has the same mass as the electron but an equal and opposite charge. 〔物理〕反粒子 Example sentencesExamples One can imagine atoms that are made of antiparticles: antiprotons, antineutrons, and positrons. Some neutral particles such as photons are their own antiparticles, while others like neutrons have antiparticles with opposite magnetic moments. At about one second into the life of the universe, the majority of existing particles and antiparticles had been destroyed to produce photons of electromagnetic radiation. Note that subatomic particles sometimes have antiparticles, with opposite charge and spin, that are the same ones going backwards in time. Positively charged beta particles, the antiparticle of electrons, are called positrons. Definition of antiparticle in US English: antiparticle noun Physics A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g. the positron has the same mass as the electron but an equal and opposite charge. 〔物理〕反粒子 Example sentencesExamples Note that subatomic particles sometimes have antiparticles, with opposite charge and spin, that are the same ones going backwards in time. Positively charged beta particles, the antiparticle of electrons, are called positrons. One can imagine atoms that are made of antiparticles: antiprotons, antineutrons, and positrons. Some neutral particles such as photons are their own antiparticles, while others like neutrons have antiparticles with opposite magnetic moments. At about one second into the life of the universe, the majority of existing particles and antiparticles had been destroyed to produce photons of electromagnetic radiation.
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