[ peer-ee-uhd-loo-muh-nos-i-tee ]
/ ˈpɪər i ədˌlu məˈnɒs ɪ ti /
the relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.
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Origin of period-luminosity relation
First recorded in 1945–50
Words nearby period-luminosity relation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020