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• lambert
  lambert

  noun

  the centimeter-gram-second unit of luminance or brightness, equivalent to 0.32 candles per square centimeter, and equal to the brightness of a perfectly diffusing surface emitting or reflecting one lumen per square centimeter. L
• Lambert
  Lambert

  noun

  Constant 1905–51, English composer and conductor.

lambert

¹ American  

[lam-bert] / ˈlæm bərt /

noun

Optics.

1. the centimeter-gram-second unit of luminance or brightness, equivalent to 0.32 candles per square centimeter, and equal to the brightness of a perfectly diffusing surface emitting or reflecting one lumen per square centimeter. L

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Lambert ² American  

[lam-bert, lahm-bert] / ˈlæm bərt, ˈlɑm bɛrt /

noun

1. Constant 1905–51, English composer and conductor.

2. Johann Heinrich 1728–77, German scientist and mathematician.

3. a male given name: from Germanic words meaning “land” and “bright.”

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lambert ¹ British  

/ ˈlæmbət /

noun

1. L. the cgs unit of illumination, equal to 1 lumen per square centimetre

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Lambert ² British  

/ ˈlæmbət /

noun

1. Constant. 1905–51, English composer and conductor. His works include much ballet music and The Rio Grande (1929), a work for chorus, orchestra, and piano, using jazz idioms

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lambert Scientific  

/ lăm′bərt /

1. A unit of luminance in the centimeter-gram-second system, equivalent to the luminance of a perfectly diffusing surface that emits or reflects one lumen per square centimeter. The lambert is named after the Swiss mathematician and physicist Johann Heinrich Lambert (1728–1777).

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Etymology

Origin of lambert

First recorded in 1910–15; named after J. H. Lambert

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Example Sentences

See Examples For:

lambert Lambert

She sat in the boat that glided through that fairy mere of lambert waves, shimmering with green.

From The Disturbing Charm by Berta Ruck

What’s your relationship with modern country music — Morgan Wallen and Miranda Lambert and the like?

From Los Angeles Times ● Oct. 9, 2026

Listen to the pop-country godmother: If you’re enjoying the country-crossover renaissance exemplified by Ella Langley’s chart-topping song “Choosin’ Texas,” you’re in for a treat: Langley’s mentor, Miranda Lambert, has a new album out.

From Slate ● Oct. 5, 2026

Miranda Lambert likes to keep songwriting sessions loose.

From The Wall Street Journal ● Oct. 5, 2026

New private schools all go through Dustin Lambert, a manager in the Office of Student Enrichment and Support at the West Virginia Department of Education.

From Salon ● Oct. 4, 2026

“I only moved to Lambert three years ago, but Granddad knew her pretty well. He’s lived here for, like, twenty years. He moved here after he retired.”

From "The Parker Inheritance" by Varian Johnson

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