First Known Use: 1947
Dictionary
langley
noun lang·ley \ˈlaŋ-lē\
plural langleys
Definition of LANGLEY
: a unit of solar radiation equivalent to one gram calorie per square centimeter of irradiated surface
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Origin of LANGLEY
Samuel P. Langley
Langley
biographical name Lang·ley \ˈlaŋ-lē\
Definition of LANGLEY
Samuel Pierpont 1834–1906 Am. astron. & airplane pioneer
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