variable star

/ˌvɛriəbəl stɑr/
IPA guide

Other forms: variable stars

Definitions of variable star
  1. noun
    a star that varies noticeably in brightness
    synonyms: variable
    see moresee less
    examples:
    North Star
    the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it
    type of:
    star
    (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
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