重じゅう粒りゅう子し

noun

baryon

Technical term in particle physics for a subatomic particle made of three quarks, such as protons and neutrons.

• 陽よう子しと中ちゅう性せい子しは重じゅう粒りゅう子しの一いっ種しゅです。

  Protons and neutrons are types of baryons.