Cepheid (variable) Definition

sefēid, sēfēid
noun
Any of a class of pulsating, yellow, supergiant stars whose brightness varies in regular periods: from the period-luminosity relation, the distance of such a star can be determined.
Webster's New World

Other Word Forms of Cepheid (variable)

Noun

Singular:
Cepheid (variable)
Plural:
cepheid-variables

Origin of Cepheid (variable)

  • From Cepheus, the name of the constellation in which such stars were first discovered.

    From Wiktionary

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