| 释义 |
rho
I. \ˈrō\ noun
(-s)
Etymology: Greek rhō, of Semitic origin; akin to Hebrew rēsh
: the 17th letter of the Greek alphabet — symbol Ρ or ρ; see alphabet table
II. noun
or rho particle
: a very short-lived unstable meson with mass 1490 times the mass of an electron |