Adjacent Words

lambert definitions

	Tweet

WordNet (r) 3.0 (2005)

n
1: a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter [syn: lambert, L]
2: English composer and conductor (1905-1951) [syn: Lambert, Constant Lambert, Leonard Constant Lambert]

Merriam Webster's

noun Etymology: Johann H. Lambert died 1777 German physicist & philosopher Date: 1915 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

Merriam Webster's

biographical name John 1619-1683 English general

Oxford Reference Dictionary

n. a former unit of luminance, equal to the emission or reflection of one lumen per square centimetre. Etymology: J. H. Lambert, Ger. physicist d. 1777