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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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 of BBC show Gladiators has announced the death of his son days after he was born prematurely.

From BBC • Apr. 9, 2025

A star — and one of the great movie partnerships — was born.

From Los Angeles Times • Mar. 20, 2024

A star never before seen became brighter than any star in the sky.

From "Cosmos" by Carl Sagan

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