Definitions for lambertˈlæm bərt

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Random House Webster's College Dictionary

lam•bertˈlæm bərt(n.)

  1. the cgs 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.

    Category: Optics

    Ref: Abbr.: L 4 1

Origin of lambert:

1910–15; after Johann Heinrich Lambert (1728–77), German mathematician

Princeton's WordNet

  1. lambert, L(noun)

    a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter

  2. Lambert, Constant Lambert, Leonard Constant Lambert(noun)

    English composer and conductor (1905-1951)

Wiktionary

  1. Lambert(ProperNoun)

    ; in modern use partly transferred back from the surname.

  2. Lambert(ProperNoun)

    A lunar impact crater.

  3. lambert(Noun)

    a cgs unit of illumination; the brightness of a surface that emits one lumen per square centimetre

  4. Origin: lant + beraht, a saint's name (of a Bishop of Maastricht) brought to England by Normans, and partly merged with a corresponding name.


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