luminous flux

noun

: radiant flux in the visible-wavelength range usually expressed in lumens instead of watts

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of luminous flux was in 1894

Dictionary Entries Near luminous flux

luminous energy

luminous flux

luminous-flux density

See More Nearby Entries 

Cite this Entry

“Luminous flux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/luminous%20flux. Accessed 1 Oct. 2024.

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Medical Definition

luminous flux

noun
: radiant flux in the visible-wavelength range usually expressed in lumens instead of watts

called also light flux

More from Merriam-Webster on luminous flux

Britannica.com: Encyclopedia article about luminous flux

Last Updated: - Definition revised
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