Alpha Orionis

noun (1)
Alpha Or·​i·​o·​nis | \ -ˌȯr-ē-ˈō-nəs How to pronounce Alpha Orionis (audio) \

Definition of Alpha Orionis

 (Entry 1 of 3)

astronomy
: betelgeuse

Beta Orionis

noun (2)
Beta Or·​i·​o·​nis | \ -ˌȯr-ē-ˈō-nəs How to pronounce Beta Orionis (audio) \

Definition of Beta Orionis (Entry 2 of 3)

astronomy
: rigel

Gamma Orionis

noun (3)

Definition of Gamma Orionis (Entry 3 of 3)

astronomy

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First Known Use of Alpha Orionis

Noun (1)

1802, in the meaning defined above

Noun (2)

1830, in the meaning defined above

Noun (3)

1855, in the meaning defined above

History and Etymology for Alpha Orionis

Noun (1)

borrowed from New Latin, “Alpha of Orion”

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Time Traveler for Alpha Orionis

Time Traveler

The first known use of Alpha Orionis was in 1802

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Cite this Entry

“Alpha Orionis.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/orionis. Accessed 14 December 2019.

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