chi particle (kī, kē) n. An electrically neutral meson having a mass 6,687 times that of the electron and a mean lifetime of approximately 1.5 × 10-20 seconds. See Table at subatomic particle.
chi particle (kī, kē) Pronunciation Key
An electrically neutral meson having a mass 6,687 times that of the electron and a mean lifetime of approximately 1.5 × 10-20 seconds. See Table at subatomic particle.
(kī, kē)