亜あ原げん子し粒りゅう子し

noun

subatomic particle

Physics term for particles smaller than an atom, such as protons, neutrons, and electrons.

• 陽よう子しや中ちゅう性せい子しは亜あ原げん子し粒りゅう子しの一いっ種しゅです。

  Protons and neutrons are types of subatomic particles.