Betelgeuse

American  

[beet-l-jooz, bet-l-jœz] / ˈbit lˌdʒuz, ˈbɛt lˌdʒœz /

Or Betelgeux

noun

Astronomy.

1. a first-magnitude red supergiant in the constellation Orion.

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Betelgeuse British  

/ ˌbiːtəlˈdʒɜːz, ˈbiːtəlˌdʒɜːz /

noun

1. a very remote luminous red supergiant, Alpha Orionis: the second brightest star in the constellation Orion. It is a variable star

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Betelgeuse Scientific  

/ bēt′l-jo̅o̅z′ /

1. A red supergiant star in the constellation Orion. It is a variable star with a brightest apparent magnitude of 0.5. Scientific name: Alpha Orionis.

2. See Note at Rigel

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Etymology

Origin of Betelgeuse

1790–1800; < French < Arabic bīt al jauzāʾ shoulder of the giant (i.e., of Orion)

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Example Sentences

See Examples For:

Betelgeuse

Something unusual is happening inside the enormous atmosphere of Betelgeuse, one of the most recognizable stars in the night sky.

From Science Daily ● Nov. 4, 2026

The name Siwarha reflects its relationship with Betelgeuse.

From Science Daily ● Nov. 4, 2026

The meteors will appear to originate from the constellation of Orion, near the red supergiant star Betelgeuse.

From BBC ● Oct. 20, 2026

The possibility that Betelgeuse has a companion was first raised roughly a century ago as a potential explanation for some of its changes in brightness.

From Science Daily ● Aug. 27, 2026

Framed in the thick western window, Alderbaran and Betelgeuse were racing Sirius over the horizon, the hunting dog-star looking back to his master Orion, who had not yet heaved himself above the fim.

From "The Once and Future King" by T. H. White

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