WordReference Random House Unabridged Dictionary of American English © 2026
Prox′i•ma Centau′ri
(prok′sə mə),USA pronunciation
- Astronomythe nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
- Neo-Latin: nearest (star) of Centaurus