• synonyms


[al-deb-er-uh n]
  1. a first-magnitude star, orange in color, in the constellation Taurus.
Show More

Origin of Aldebaran

< Arabic al the + dabarān follower (of the Pleiades)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for aldebaran

Historical Examples of aldebaran

  • Aldebaran swung on the pendant chain of Taurus like a giant ruby.

    The Colors of Space

    Marion Zimmer Bradley

  • Except that I like their names, Aldebaran and Cassiopeia, and so on.

  • Aldebaran is the brightest star in the constellation of Taurus.

    The Story of the Heavens

    Robert Stawell Ball

  • They are not far from Aldebaran, being in the right shoulder of the Bull.

  • That is like to be all we shall ever have to do with Arcturus or Aldebaran.

British Dictionary definitions for aldebaran


  1. 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
Show More

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

Word Origin and History for aldebaran


bright star in Taurus, late 14c., from Arabic Al Dabaran "the follower" (of the Pleiades, which rise shortly before it does), from dabara "he followed."

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

aldebaran in Science


  1. 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.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.