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Alioth

noun Al·i·oth \ ˈa-lē-ˌäth \

Definition of Alioth

astronomy
: a variable star of the first magnitude that is seen in the handle of the Big Dipper and is one of the two brightest stars in that constellation
  • Alioth, otherwise known as HD 112185, is a variable star with a very well-defined period, its brightness changing by 0.03 magnitude every 5.09 days.
  • —Shireen Gonzaga,  Astronomy,  December 1991
— called also Epsilon Ursae Majoris

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First Known Use of alioth

1704

in the meaning defined above

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