Definition of axion in English:

axion

noun ˈaksɪɒnˈaksēˌän

Physics

A hypothetical subatomic particle postulated to account for the rarity of processes which break charge–parity symmetry.
〔物理〕轴子
Example sentencesExamples
- This has helped to promote particle-DM, with candidates such as axions, neutralinos and other cold DM particles, as well as warm DM, and self-interacting DM, whose nature is not even specified.
- Axions, if they exist at all, do so in our ordinary dimensions, but they are stable neutral particles.
- Or another candidate is an even more exotic particle called the axion.

Origin

1970s: from axial + -on.

Definition of axion in US English:

axion

nounˈaksēˌän

Physics

A hypothetical subatomic particle postulated to account for the rarity of processes that break charge-parity symmetry. It is very light, electrically neutral, and pseudoscalar.
〔物理〕轴子
Example sentencesExamples
- This has helped to promote particle-DM, with candidates such as axions, neutralinos and other cold DM particles, as well as warm DM, and self-interacting DM, whose nature is not even specified.
- Axions, if they exist at all, do so in our ordinary dimensions, but they are stable neutral particles.
- Or another candidate is an even more exotic particle called the axion.

Origin

1970s: from axial + -on.

单词	axion
释义	Definition of axion in English: axion noun ˈaksɪɒnˈaksēˌän Physics A hypothetical subatomic particle postulated to account for the rarity of processes which break charge–parity symmetry. 〔物理〕轴子 Example sentencesExamples This has helped to promote particle-DM, with candidates such as axions, neutralinos and other cold DM particles, as well as warm DM, and self-interacting DM, whose nature is not even specified. Axions, if they exist at all, do so in our ordinary dimensions, but they are stable neutral particles. Or another candidate is an even more exotic particle called the axion. Origin 1970s: from axial + -on. Definition of axion in US English: axion nounˈaksēˌän Physics A hypothetical subatomic particle postulated to account for the rarity of processes that break charge-parity symmetry. It is very light, electrically neutral, and pseudoscalar. 〔物理〕轴子 Example sentencesExamples This has helped to promote particle-DM, with candidates such as axions, neutralinos and other cold DM particles, as well as warm DM, and self-interacting DM, whose nature is not even specified. Axions, if they exist at all, do so in our ordinary dimensions, but they are stable neutral particles. Or another candidate is an even more exotic particle called the axion. Origin 1970s: from axial + -on.
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