Cepheid variable

(ˈsiːfɪɪd) n (Astronomy) astronomy any of a class of variable stars with regular cycles of variations in luminosity (most ranging from three to fifty days). There is a relationship between the periods of variation and the absolute magnitudes, which is used for measuring the distance of such stars

Ce′pheid var`iable

n. a variable star with a short period of 1 to 50 days in which changes in brightness are due to alternations in volume. [1900–05; Cephe (us) + -id¹]

单词	cepheid variable
释义	Cepheid variable Cepheid variable (ˈsiːfɪɪd) n (Astronomy) astronomy any of a class of variable stars with regular cycles of variations in luminosity (most ranging from three to fifty days). There is a relationship between the periods of variation and the absolute magnitudes, which is used for measuring the distance of such stars Ce′pheid var`iable n. a variable star with a short period of 1 to 50 days in which changes in brightness are due to alternations in volume. [1900–05; Cephe (us) + -id¹] EncyclopediaSeeCepheid
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