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Definitions

luminosity

[loo-muh-nos-i-tee] / ˌlu məˈnɒs ɪ ti /
NOUN
radiance
Synonyms
Antonyms
STRONG


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Both rotation velocity and luminosity are effective parameters to estimate the amount of gas accreted.

From Science Daily • Dec. 14, 2025

“I have no medium that can give me color of such wonderful luminosity as the Autochrome plate,” wrote the photographer Edward Steichen in 1908.

From The Wall Street Journal • Nov. 21, 2025

These fanciful instances benefit from Mari Fukuhara’s score, a drizzle of aural luminosity.

From Los Angeles Times • Nov. 7, 2025

She found a relationship between their variation period, or pulse, and their intrinsic brightness or luminosity.

From Salon • Feb. 14, 2025

Conversely, if we knew the luminosity of stars in other galaxies, we could work out their distance by measuring their apparent brightness.

From "A Brief History of Time: And Other Essays" by Stephen Hawking