[ al-deb-er-uh n ]
/ ælˈdɛb ər ən /


a first-magnitude star, orange in color, in the constellation Taurus.

Origin of Aldebaran

< Arabic al the + dabarān follower (of the Pleiades) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aldebaran

British Dictionary definitions for aldebaran


/ (ælˈdɛbərən) /


a binary star, one component of which is a red giant, the brightest star in the constellation Taurus. It appears in the sky close to the star cluster Hyades. Visual magnitude: 0.85; spectral type: K5III; distance: 65 light years

Word Origin for Aldebaran

C14: via Medieval Latin from Arabic al-dabarān the follower (of the Pleiades)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for aldebaran


[ ăl-dĕbər-ən ]

A red giant star in the constellation Taurus. Aldebaran is the thirteenth brightest star in the sky, with an apparent magnitude of 0.85. Scientific name: Alpha Tauri.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.