Cepheid variable

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsiːfɪɪd/


WordReference Random House Unabridged Dictionary of American English © 2025
Ce′pheid var′iable, [Astron.]
  1. Astronomya variable star in which changes in brightness are due to alternate contractions and expansions in volume.
Also, ce′pheid var′iable. 
  • Cephe(us) + -id1 1900–05

Collins Concise English Dictionary © HarperCollins Publishers::
Cepheid variable / ˈsiːfɪɪd/
  1. 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
'Cepheid variable' also found in these entries (note: many are not synonyms or translations):
Cepheus - Polaris - period-luminosity relation

Forum discussions with the word(s) "Cepheid variable" in the title:


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