Period-luminosity relation
[peer-ee-uh d-loo-muh-nos-i-tee] /ˈpɪər i ədˌlu məˈnɒs ɪ ti/
noun, Astronomy.
1.
the relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.
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noun, Dentistry. 1. the collagenous, fibrous connective tissue between the cementum of the tooth and the alveolus.
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