lambert

noun

lam·​bert ˈlam-bərt How to pronounce lambert (audio)
: the centimeter-gram-second unit of brightness equal to the brightness of a perfectly diffusing surface that radiates or reflects one lumen per square centimeter

Examples of lambert in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In scientific terms, the Westinghouse camera has a light range of from 0.007 to 12,600 foot-lamberts. Popular Mechanics Editors, Popular Mechanics, 20 July 2019

Word History

Etymology

Johann H. Lambert †1777 German physicist & philosopher

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of lambert was in 1915

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Cite this Entry

“Lambert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lambert. Accessed 28 Feb. 2025.

Medical Definition

lambert

noun
lam·​bert ˈlam-bərt How to pronounce lambert (audio)
: the centimeter-gram-second unit of brightness equal to the brightness of a perfectly diffusing surface that radiates or reflects one lumen per square centimeter

Biographical Definition

Lambert

biographical name

Lam·​bert ˈlam-bərt How to pronounce Lambert (audio)
John 1619–1683 English general

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