kaon

n. K介子 [化] K介子

发音

/ˈkeɪˌɑn/

词形变化

kaons 复数 kaons

释义与例句

n.
  1. 1.

    any of four unstable subatomic particles, mesons, they are a combination of a strange quark or antiquark and either an up or down quark or antiquark

    物理

    K⁰: strange quark + down antiquark

    K (antiparticle of K⁰): down quark + strange antiquark

    K⁺: strange quark + up antiquark

    K⁻ (antiparticle of K⁺): up quark + strange antiquark

词汇关系

名词

同义词 2

K-meson K-particle

上位词 2

meson mesotron

词源

From contracted pronunciation of K-meson.

来源：wiktionary