luminous intensity

American  

noun

Optics.

1. the luminous flux in lumens emitted per unit solid angle by a light source, measured in candles.

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luminous intensity British  

noun

1.  Iv.  a measure of the amount of light that a point source radiates in a given direction. It is expressed by the luminous flux leaving the source in that direction per unit of solid angle

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luminous intensity Scientific  

1. The luminous flux per unit solid angle (per steradian), as measured in a given direction relative to a light source. Its unit is the candela.

2. See also luminance

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Example Sentences

Wave amplitude is perceived as luminous intensity, or brightness.

From Textbooks • Jun. 9, 2022

The standard unit of intensity of light is the candela, which is approximately the luminous intensity of a one common candle.

From Textbooks • Jun. 9, 2022

Ms. Jones is an actress of luminous intensity.

From New York Times • Jul. 17, 2018

All writers have a toolbox, and usually in that toolbox one implement glows with more luminous intensity than the rest.

From Slate • Feb. 5, 2016

To him then the surface of the metal would appear continuously incandescent and of constant luminous intensity, while in reality the light would be either intermittent, or at least changing periodically in intensity.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford