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.
Origin of period-luminosity relation
First recorded in 1945–50
Words nearby period-luminosity relation
perinuclear,
period,
period drama,
period of revolution,
period piece,
period-luminosity relation,
periodate,
periodic,
periodic acid,
periodic acid-schiff,
periodic attractor