点てん粒りゅう子し

noun

point particle; point-like particle

Physics term for an idealized particle with no spatial extent. Used in theoretical contexts such as the Standard Model.

• 素そ粒りゅう子し物ぶつ理り学がくでは、クォークやレプトンは点てん粒りゅう子しとして扱あつかわれる。

  In particle physics, quarks and leptons are treated as point particles.