Aldebaran Definition

A double star in the constellation Taurus, 68 light years from Earth, and one of the brightest stars in the sky.
American Heritage
A giant, orange, binary, variable star, the brightest star in the constellation Taurus: magnitude, 0.87
Webster's New World

(astronomy) One of the brightest stars in the sky, now recognised to be a binary star in the constellation Taurus (alpha (α) Tauri); an orange giant, 68 light years from Earth. [from 14th c.]


Origin of Aldebaran

  • Middle English Aldeboran from Medieval Latin Aldebaran from Arabic ad-dabarān al- the dabarān following (the Pleiades) (from dabara to follow dpr in Semitic roots)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Arabic الدبران (al-dabarān, “the follower”) (because it follows the Pleiades).

    From Wiktionary

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