Luminance

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through, is emitted from, or is reflected from a particular area, and falls within a given solid angle.

Excerpt from the Wikipedia article “Luminance”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Anders Thorseth, CC BY-SA 4.0, via Wikimedia Commons.