Dictionary.com
definitions
  • synonyms

period-luminosity relation

[peer-ee-uh d-loo-muh-nos-i-tee]
See more synonyms for period-luminosity relation on Thesaurus.com
noun Astronomy.
  1. the relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.
Show More

Origin of period-luminosity relation

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018