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Lambert

LAMBT

Lambert (noun) means a unit of brightness (luminance) in the old CGS measurement system, equal to one lumen per square centimeter. Example: “The lab measured the display's output in lamberts.”

noun
1
A unit of brightness (luminance) in the old CGS measurement system, equal to one lumen per square centimeter.
"The lab measured the display's output in lamberts."
name
1
A given name and surname derived from Germanic roots meaning "bright land."
"He introduced himself simply as Lambert."

How to use Lambert

Learner’s notes

In plain EnglishA technical unit of brightness used in physics and optics, or, more commonly, a given name/surname.

Word forms

Lamberts plural, lamberts plural

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Test yourself on “Lambert” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

The lab measured the display's output in _____.

Etymology

From Old French Lambert, a saint's name brought to England by the Normans, ultimately from Germanic elements meaning "land" and "bright."

Origin: Old French

Frequently asked questions

What does “Lambert” mean?

The word “Lambert” means a unit of brightness (luminance) in the old CGS measurement system, equal to one lumen per square centimeter. In plain terms, a technical unit of brightness used in physics and optics, or, more commonly, a given name/surname.

How do you pronounce “Lambert”?

“Lambert” is pronounced LAMBT (/ˈlæmbɚt/ in IPA).

How do you use “Lambert” in a sentence?

Here is “Lambert” used in a sentence: “The lab measured the display's output in lamberts.”

What part of speech is “Lambert”?

Depending on how it is used, “Lambert” can be a noun and a name.

Where does the word “Lambert” come from?

The word “Lambert” comes from Old French. From Old French Lambert, a saint's name brought to England by the Normans, ultimately from Germanic elements meaning "land" and "bright.".

Is “Lambert” a common word?

“Lambert” is a fairly common word in modern English.

How many meanings does “Lambert” have?

“Lambert” has 2 distinct senses listed in this dictionary. The most common is: a unit of brightness (luminance) in the old CGS measurement system, equal to one lumen per square centimeter.

What does a lambert measure?

A lambert is a unit of brightness, or luminance, in the old CGS measurement system, equal to one lumen per square centimeter. It was used to quantify how bright a surface appears.

Is the lambert still commonly used today?

The lambert belongs to the old CGS measurement system, which has largely been superseded by SI units in modern scientific practice. It survives mainly in older texts and certain specialized fields rather than everyday measurement.

Is Lambert a first name or a surname?

Lambert is used as both a given name and a surname, according to its Germanic origin meaning "bright land."

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