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

Samuel P. Langley

First Known Use: 1947

biographical name Lang·ley \ˈlaŋ-lē\

Samuel Pierpont 1834–1906 Am. astron. & airplane pioneer

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