Proxima CentauriProx·i·ma Cen·tau·ri
a red dwarf star near Alpha Centauri: magnitude, 11: at a distance of c. 4.22 light-years, it is the closest star to the sun
Origin of Proxima CentauriModL, nearest star of Centaurus
The closest to Earth of three stars in the Alpha Centauri system. At a distance of 4.2 light-years, Proxima Centauri is the closest star to Earth after the sun.
Origin of Proxima CentauriNew Latin Proxima Centaurī Latin proxima feminine of proximus nearest ; see proximate . Centaurī genitive of Centaurus centaur, Centaurus ; see centaur .
From Latin proximus (“nearest, next") and centaurÄ« (“of the constellation Centaurus")