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Achernar

[ey-ker-nahr]
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noun Astronomy.
  1. a star of the first magnitude in the constellation Eridanus.

Origin of Achernar

From the Arabic word ākhir al-nahr end of the river
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for achernar

Historical Examples

  • Latitude by altitude of Achernar, 15 degrees 39 minutes 43 seconds.

    Journals of Australian Explorations

    A C and F T Gregory

  • Latitude by meridian altitude of Achernar 16 degrees 10 minutes.

  • Latitude by meridian altitude of Achernar 16 degrees 26 minutes.

  • Its brightest star, Achernar, is a star of the first magnitude, but it lies below the horizon in our latitudes.

    Astronomy for Young Folks

    Isabel Martin Lewis

  • Achernar means "The End of the River" and this is nearly its position in the constellation.

    Astronomy for Young Folks

    Isabel Martin Lewis


British Dictionary definitions for achernar

Achernar

noun
  1. the brightest star in the constellation Eridanus, visible only in the S hemisphere. Visual magnitude: 0.5; spectral type: B3V; distance: 144 light years

Word Origin

from Arabic ākhīr al-nahr, literally: end of the river, alluding to the star's location in the constellation
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

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