Alpha Orionis

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

Definition of Alpha Orionis

astronomy
: betelgeuse

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First Known Use of Alpha Orionis

1802, in the meaning defined above

History and Etymology for Alpha Orionis

borrowed from New Latin, “Alpha of Orion”

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The first known use of Alpha Orionis was in 1802

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