LUMINANCE

luminosity, brightness, brightness level, luminance, luminousness, light

(noun) the quality of being luminous; emitting or reflecting light; “its luminosity is measured relative to that of our sun”

Source: WordNet® 3.1


Noun

luminance (countable and uncountable, plural luminances)

The quality of being luminous.

The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.

The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.

Synonyms

• photometric brightness

Anagrams

• calumenin

Source: Wiktionary



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Word of the Day

7 February 2025

STORY

(noun) a piece of fiction that narrates a chain of related events; “he writes stories for the magazines”


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Coffee Trivia

The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.

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