period-luminosity relation
[ peer-ee-uh d-loo-muh-nos-i-tee ]
/ ˈpɪər i ədˌlu məˈnɒs ɪ ti /
noun Astronomy.
the relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.
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Nearby words
perinuclear, period, period drama, period of revolution, period piece, period-luminosity relation, periodate, periodic, periodic acid, periodic acid-schiff, periodic attractor
Origin of period-luminosity relation
First recorded in 1945–50
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019