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A star

American  

noun

Astronomy.
  1. a blue to white star, as Altair, Sirius, or Vega, having a surface temperature between 7500 and 10,000 K and an absorption spectrum dominated by Balmer-series lines of hydrogen.


Example Sentences

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A star with very few of these elements must have formed before most supernovae occurred, meaning it likely belongs to the earliest generations of stars in the universe.

From Science Daily Apr. 4, 2026

A star of films such as An Education, The Great Gatsby and Drive, she was made a Commander of the Most Excellent Order of the British Empire for her services to drama.

From BBC Mar. 31, 2026

A star quarterback fizzles, a new hire doesn’t work out—and so it’s back to the basics.

From Barron's Dec. 12, 2025

A star is someone who is in my face, because I want them to challenge me in different ways.

From The Wall Street Journal Nov. 6, 2025

A star in the daytime, maybe, or the sun to shout, or even a mutter of thunder.

From "Their Eyes Were Watching God" by Zora Neale Hurston

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