| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024me•son (mē′zon, -son, mez′on, mes′-),USA pronunciation n. - Physicsany hadron, or strongly interacting particle, other than a baryon. Mesons are bosons, having spins of 0, 1, 2, …, and, unlike baryons, do not obey a conservation law. Cf. quark model.
- 1935–40; mes-+ on1; compare mesotron
Collins Concise English Dictionary © HarperCollins Publishers:: meson /ˈmiːzɒn/ n - any of a group of elementary particles, such as a pion or kaon, that usually has a rest mass between those of an electron and a proton, and an integral spin. They are responsible for the force between nucleons in the atomic nucleus
Etymology: 20th Century: from meso- + -onmeˈsonic, ˈmesic adj |