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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

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 Ruck, Berta

The study, "Synthesis and structural confirmation of secalosides A and B," was supported by the National Institute of General Medical Science, the Chemistry of Life Processes Institute Lambert Fellowship and the National Science Foundation.

From Science Daily ● Jul. 6, 2026

In all, the modifications took L3Harris about 10 months from when it received the plane, Lambert said.

From The Wall Street Journal ● Jul. 1, 2026

The objective was to deliver the plane before the country’s 250th birthday festivities, said Jason Lambert, president of intelligence, surveillance and reconnaissance at L3Harris Technologies.

From The Wall Street Journal ● Jul. 1, 2026

It was the first time a woman had won a Wimbledon final with a double bagel - the name given to a victory without dropping a game - since Dorothea Lambert Chambers in 1911.

From BBC ● Jun. 10, 2026

The Allen boys ran them out of Lambert long before you arrived in the city.

From "The Parker Inheritance" by Varian Johnson