variable star

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Definitions from WordNet

Noun variable star has 1 sense

variable star, variable - a star that varies noticeably in brightness
--₁ is a kind of star
--₁ has particulars:
Polaris, North Star, pole star, polar star, polestar

Definitions from the Web

Variable Star

Noun: A variable star is a star that has an observed variation in its brightness over time.

Example sentence: Astronomers study variable stars to understand the different stages of stellar evolution.

Adjective: Variable star refers to something that is subject to change or has varying characteristics.

Example sentence: The stock market can be very unpredictable and variable, similar to a variable star.

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