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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.

See Examples For:

The goal is to increase the "luminosity" -- that is, the total number of collisions produced over a given period -- by a factor of 10 compared to the LHC.

From Barron's ● Jun. 27, 2026

Fomalhaut lies in the southern constellation Piscis Austrinus and shines with 16 times the luminosity of our sun, making it one of the brightest stars visible from Earth.

From Science Daily ● Jan. 7, 2026

“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

Even the greens, her favorite shades of greens, flee the trees and assault her with luminosity.

From "Dreaming in Cuban" by Cristina García

High-sensitivity observations have discovered objects with extremely high X-ray luminosities.

From Science Daily ● Dec. 14, 2025

The lower luminosities of red dwarf stars also means their habitable zones -- the range of orbital distances where liquid water could exist on a planet's surface -- lie closer to them.

From Science Daily ● May 23, 2024

Suvi Gezari, an astronomer at the Space Telescope Science Institute, says the observations extend the phenomenon of red novae to much lower luminosities and into the regime of planetary engulfments.

From Science Magazine ● May 3, 2023

The brutal fury of a system like WR 140 is undeniable, from the incredible luminosities of its stars to the cosmic tsunami of dusty winds they blast away.

From Scientific American ● Oct. 25, 2022

The serpents had turned to pursue him, and other writhing luminosities were falling from above.

From Astounding Stories, May, 1931 by Various




Vocabulary lists containing luminosity


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