Dictionary.com
definitions
  • synonyms

Proxima Centauri

[prok-suh-muh]
noun
  1. the 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.
Show More

Origin of Proxima Centauri

< New Latin: nearest (star) of Centaurus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

proxima centauri in Science

Proxima Centauri

[prŏksə-mə sĕn-tôrē]
  1. See under Alpha Centauri.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.