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

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

From BBC ● Oct. 20, 2026

Montargès and his colleagues observed Betelgeuse with ESO's VLT that December.

From Science Daily ● Aug. 27, 2026

The latest VLT observations, however, provide the strongest evidence so far and the clearest image yet of Betelgeuse B.

From Science Daily ● Aug. 27, 2026

"Honestly, I thought we did not have the sensitivity to detect Betelgeuse B as it was predicted," explains Montargès.

From Science Daily ● Aug. 27, 2026

Betelgeuse was a red star in the shoulder of the constellation Orion.

From "The Glass Castle" by Jeannette Walls

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